How many significant figures does each of the following numbers have? a. 0.73 b. 7.30 c. 73 d. 0.073

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Answer 1

Textbook Question

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Chapter 1, Problem 1CQ

How many significant figures does each of the following numbers have?
a. 0.73 b. 7.30 c. 73 d. 0.073

Expert Solution

To determine

How many significant figures does each of the following numbers have?

a) 0.73; b) 7.30; c) 73; d) 0.073

Explanation of Solution

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

Expert Solution

To determine

Section 1:

How many significant figures does the following number have? a) 0.73

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 0.73.

For the number 0.73 we have two significant figures, this is because the number zero (0) on the left of the number 73 is not a significant digit.

Expert Solution

To determine

Section 2:

How many significant figures does the following number have? b) 7.30

Answer to Problem 1CQ

Solution:

Three (3) significant figures.

Explanation of Solution

Given info:

The number is 7.30.

For the number 7.30 we have three significant figures, this is because the number zero on the right is a significant digit too.

Expert Solution

To determine

Section 3:

How many significant figures does the following number have? c) 73

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 73.

In this case we have two significant figures, exact digits or digits without decimal are all significant.

Expert Solution

To determine

Section 4:

How many significant figures does the following number have? d) 0.073

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 0.073.

For the number 0.073 we have two significant figures, this is because the zeros (0) on the left of the number 73 are not significant digits.

Conclusion:

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

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Part C Find the height yi from which the rock was launched. Express your answer in meters to three significant figures. Learning Goal: To practice Problem-Solving Strategy 4.1 for projectile motion problems. A rock thrown with speed 12.0 m/s and launch angle 30.0 ∘ (above the horizontal) travels a horizontal distance of d = 19.0 m before hitting the ground. From what height was the rock thrown? Use the value g = 9.800 m/s2 for the free-fall acceleration. PROBLEM-SOLVING STRATEGY 4.1 Projectile motion problems MODEL: Is it reasonable to ignore air resistance? If so, use the projectile motion model. VISUALIZE: Establish a coordinate system with the x-axis horizontal and the y-axis vertical. Define symbols and identify what the problem is trying to find. For a launch at angle θ, the initial velocity components are vix=v0cosθ and viy=v0sinθ. SOLVE: The acceleration is known: ax=0 and ay=−g. Thus, the problem becomes one of…

Phys 25

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Answer 2

Textbook Question

100%

Chapter 1, Problem 1CQ

How many significant figures does each of the following numbers have?
a. 0.73 b. 7.30 c. 73 d. 0.073

Expert Solution

To determine

How many significant figures does each of the following numbers have?

a) 0.73; b) 7.30; c) 73; d) 0.073

Explanation of Solution

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

Expert Solution

To determine

Section 1:

How many significant figures does the following number have? a) 0.73

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 0.73.

For the number 0.73 we have two significant figures, this is because the number zero (0) on the left of the number 73 is not a significant digit.

Expert Solution

To determine

Section 2:

How many significant figures does the following number have? b) 7.30

Answer to Problem 1CQ

Solution:

Three (3) significant figures.

Explanation of Solution

Given info:

The number is 7.30.

For the number 7.30 we have three significant figures, this is because the number zero on the right is a significant digit too.

Expert Solution

To determine

Section 3:

How many significant figures does the following number have? c) 73

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 73.

In this case we have two significant figures, exact digits or digits without decimal are all significant.

Expert Solution

To determine

Section 4:

How many significant figures does the following number have? d) 0.073

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 0.073.

For the number 0.073 we have two significant figures, this is because the zeros (0) on the left of the number 73 are not significant digits.

Conclusion:

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

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04:33

Answer 3

Textbook Question

100%

Chapter 1, Problem 1CQ

How many significant figures does each of the following numbers have?
a. 0.73 b. 7.30 c. 73 d. 0.073

Expert Solution

To determine

How many significant figures does each of the following numbers have?

a) 0.73; b) 7.30; c) 73; d) 0.073

Explanation of Solution

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

Expert Solution

To determine

Section 1:

How many significant figures does the following number have? a) 0.73

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 0.73.

For the number 0.73 we have two significant figures, this is because the number zero (0) on the left of the number 73 is not a significant digit.

Expert Solution

To determine

Section 2:

How many significant figures does the following number have? b) 7.30

Answer to Problem 1CQ

Solution:

Three (3) significant figures.

Explanation of Solution

Given info:

The number is 7.30.

For the number 7.30 we have three significant figures, this is because the number zero on the right is a significant digit too.

Expert Solution

To determine

Section 3:

How many significant figures does the following number have? c) 73

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 73.

In this case we have two significant figures, exact digits or digits without decimal are all significant.

Expert Solution

To determine

Section 4:

How many significant figures does the following number have? d) 0.073

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 0.073.

For the number 0.073 we have two significant figures, this is because the zeros (0) on the left of the number 73 are not significant digits.

Conclusion:

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

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04:33

Answer 4

Textbook Question

100%

Chapter 1, Problem 1CQ

How many significant figures does each of the following numbers have?
a. 0.73 b. 7.30 c. 73 d. 0.073

Expert Solution

To determine

How many significant figures does each of the following numbers have?

a) 0.73; b) 7.30; c) 73; d) 0.073

Explanation of Solution

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

Expert Solution

To determine

Section 1:

How many significant figures does the following number have? a) 0.73

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 0.73.

For the number 0.73 we have two significant figures, this is because the number zero (0) on the left of the number 73 is not a significant digit.

Expert Solution

To determine

Section 2:

How many significant figures does the following number have? b) 7.30

Answer to Problem 1CQ

Solution:

Three (3) significant figures.

Explanation of Solution

Given info:

The number is 7.30.

For the number 7.30 we have three significant figures, this is because the number zero on the right is a significant digit too.

Expert Solution

To determine

Section 3:

How many significant figures does the following number have? c) 73

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 73.

In this case we have two significant figures, exact digits or digits without decimal are all significant.

Expert Solution

To determine

Section 4:

How many significant figures does the following number have? d) 0.073

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 0.073.

For the number 0.073 we have two significant figures, this is because the zeros (0) on the left of the number 73 are not significant digits.

Conclusion:

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

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Answer 5

Textbook Question

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Answer 6

Textbook Question

100%

Answer 7

Expert Solution

To determine

How many significant figures does each of the following numbers have?

a) 0.73; b) 7.30; c) 73; d) 0.073

Explanation of Solution

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

Expert Solution

To determine

Section 1:

How many significant figures does the following number have? a) 0.73

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 0.73.

For the number 0.73 we have two significant figures, this is because the number zero (0) on the left of the number 73 is not a significant digit.

Expert Solution

To determine

Section 2:

How many significant figures does the following number have? b) 7.30

Answer to Problem 1CQ

Solution:

Three (3) significant figures.

Explanation of Solution

Given info:

The number is 7.30.

For the number 7.30 we have three significant figures, this is because the number zero on the right is a significant digit too.

Expert Solution

To determine

Section 3:

How many significant figures does the following number have? c) 73

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 73.

In this case we have two significant figures, exact digits or digits without decimal are all significant.

Expert Solution

To determine

Section 4:

How many significant figures does the following number have? d) 0.073

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 0.073.

For the number 0.073 we have two significant figures, this is because the zeros (0) on the left of the number 73 are not significant digits.

Conclusion:

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

Answer 8

Expert Solution

To determine

How many significant figures does each of the following numbers have?

a) 0.73; b) 7.30; c) 73; d) 0.073

Explanation of Solution

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

Answer 9

Expert Solution

Answer 10

Expert Solution

Answer 11

Expert Solution

Answer 12

To determine

How many significant figures does each of the following numbers have?

a) 0.73; b) 7.30; c) 73; d) 0.073

Answer 13

Explanation of Solution

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

Answer 14

Expert Solution

To determine

Section 1:

How many significant figures does the following number have? a) 0.73

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 0.73.

For the number 0.73 we have two significant figures, this is because the number zero (0) on the left of the number 73 is not a significant digit.

Answer 15

Expert Solution

Answer 16

Expert Solution

Answer 17

Expert Solution

Answer 18

To determine

Section 1:

How many significant figures does the following number have? a) 0.73

Answer 19

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Answer 20

Explanation of Solution

Given info:

The number is 0.73.

For the number 0.73 we have two significant figures, this is because the number zero (0) on the left of the number 73 is not a significant digit.

Answer 21

Expert Solution

To determine

Section 2:

How many significant figures does the following number have? b) 7.30

Answer to Problem 1CQ

Solution:

Three (3) significant figures.

Explanation of Solution

Given info:

The number is 7.30.

For the number 7.30 we have three significant figures, this is because the number zero on the right is a significant digit too.

Answer 22

Expert Solution

Answer 23

Expert Solution

Answer 24

Expert Solution

Answer 25

To determine

Section 2:

How many significant figures does the following number have? b) 7.30

Answer 26

Answer to Problem 1CQ

Solution:

Three (3) significant figures.

Answer 27

Explanation of Solution

Given info:

The number is 7.30.

For the number 7.30 we have three significant figures, this is because the number zero on the right is a significant digit too.

Answer 28

Expert Solution

To determine

Section 3:

How many significant figures does the following number have? c) 73

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 73.

In this case we have two significant figures, exact digits or digits without decimal are all significant.

Answer 29

Expert Solution

Answer 30

Expert Solution

Answer 31

Expert Solution

Answer 32

To determine

Section 3:

How many significant figures does the following number have? c) 73

Answer 33

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Answer 34

Explanation of Solution

Given info:

The number is 73.

In this case we have two significant figures, exact digits or digits without decimal are all significant.

Answer 35

Expert Solution

To determine

Section 4:

How many significant figures does the following number have? d) 0.073

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Explanation of Solution

Given info:

The number is 0.073.

For the number 0.073 we have two significant figures, this is because the zeros (0) on the left of the number 73 are not significant digits.

Conclusion:

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

Answer 36

Expert Solution

Answer 37

Expert Solution

Answer 38

Expert Solution

Answer 39

To determine

Section 4:

How many significant figures does the following number have? d) 0.073

Answer 40

Answer to Problem 1CQ

Solution:

Two (2) significant figures.

Answer 41

Explanation of Solution

Given info:

The number is 0.073.

For the number 0.073 we have two significant figures, this is because the zeros (0) on the left of the number 73 are not significant digits.

Conclusion:

a) Two (2) significant figures; b) Three (3) significant figures; c) Two (2) significant figures; d) Two (2) significant figures.

Answer 42

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How many significant figures does each of the following numbers have? a. 0.73 b. 7.30 c. 73 d. 0.073

Concept explainers

Explanation of Solution

Answer to Problem 1CQ

Explanation of Solution

Answer to Problem 1CQ

Explanation of Solution

Answer to Problem 1CQ

Explanation of Solution

Answer to Problem 1CQ

Explanation of Solution

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