Two different measuring devices are used by students to measurethe length of a metal rod. Students using the first devicereport its length as 0.5 m, while those using the second report0.502 m. Can both answers be correct (choose one)? (a) Yes,because their values are the same when both are rounded tothe same number of significant figures. (b) No, because theyreport different values.

Q: (a) How many significant figures are in the numbers 99 and 100? (b) If the uncertainty in each…

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Q: Carry out the following arithmetic operations. (Give your answers to the correct number of…

A: a) b)

Q: A partly-full paint can has 0.571 U.S. gallons of paint left in it. (a) What is the volume of the…

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Q: Calculate the area for a surface with a length of 2.56 cm and length 7.74 cm. Express the answer…

A: Given that: The length of a surface is as: a=2.56 cmb=7.74 cm   It is required to determine the area…

Q: Starting with the definition 1 in. = 2.54 cm, find the number of (a) kilometers in 1.0 mile and (b)…

A: Data we have 1 in=2.54cm=2.54×10-2m

Q: As a result of a medical treatment, the number of a certain type of bacteria decreases according to…

A: Here we have P(t) = 500e−0.495t (a) Hence at t=0 we get P(0)= 500e-0.495×0=500e0=500×1=500 (b)At…

Q: The radius of a circular disk is given as 28 cm with a maximum error in measurement of 0.2 cm. Use…

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Q: undergo many adventures as they travel the Earth's oceans. (a) If 1.00 league equals 3.500 km, find…

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Q: A student measured the length of a table to be 65 cm, but the table was actually 62 cm long. What…

A: Given data: Measured length lm=65 cm Actual length la=62 cm

Q: 1) The diameter of a sphere is measured to be 5.36 in. Find (a) the radius of the sphere in…

A: Here, diameter of the sphere, d=5.36 in Since 1 in=2.54 cm, we have d=5.36 in=5.36 ×2.54 cm=13.6144…

Q: Each of the following equations was given by a student during an examination. Do a dimensional…

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Q: Carry out the following arithmetic operations. (Enter your answers to the correct number of…

A: In the measured value of the physical quantity the number of digits about the correctness of which…

Q: e) Find a conversion factor to convert from miles per hour to kilometers per hour. ni/h x = km/h b)…

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Q: A marathon runner averages 9.0 mi/h. How long does it take them to run a 26.76-mi marathon in hours?…

A: We have given average speed of runner which is 9 mi/hTotal distance cover is 26.76 miWe have to find…

Q: A car speedometer has a 8% uncertainty. What is the range of possible speeds (in km/h) when it reads…

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Q: Carry out the following arithmetic operations. (Enter your answers to the correct number of…

A: We have to find the sum, product (a)  578 is answer (b) 2.4 (c) 56.206

Q: A marathon runner averages 9.4 mi/h. How long does it take them to run a 26.00-mi marathon in hours?…

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Q: A model for the surface area of some solid object is given by S = 0.141w0.797 0.466, where w is the…

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Q: Carry out the following arithmetic operations. (Give your answers to the correct number of…

A: (a) Sum of the measured values 756+37.2+0.83+2=800 (b) The product 0.0032×356.3=1.1

Q: Assume that you measure the dimensions of a cylinder with a vernier caliper many times and obtain…

A: Given that, The height of the cylinder is H=3.1cm And the diameter of the cylinder is d=1.13cm…

Q: Convert 4-oz to grams, write your answer using one significant figure. Convert 1.88 y (year) and 65…

A: The answers are below

Q: If there are 2.54cm in every 1 inch, how many meters are in 4.57 feet? Use dimensional analysis and…

A: Given data: I inch =2.54 cm To find  4.57 feet = ? m

Q: A car speedometer has a 8% uncertainty. What is the range of possible speeds (in km/h) when it reads…

A: Given:- ∆vv×100= 8% v= 50 km/h

Q: (US Engineering) Convert from in to ft. The unit conversion is exact. Your answer must be exact,…

A: Solution: 1. The conversion factor has an infinite number of significant figures. The length given…

Q: he speed v of an object is given by the equation v = A * t ^ 3 - Bt where I refers to time. (a) What…

A: Given: The velocity of the object is. v=At3-Bt…

Q: In the calculation of the perimeter of a square measuring: 5.0 cm ± .05 cm by 5.0 cm ± .05 cm, What…

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Q: (a) What is the area and uncertainty in area of one side of a rectangular plastic brick that has a…

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Q: the following equations was given by (a) = 1/2mv² = 1/2mv0² + √mgh

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Q: Calculate to the correct number of significant figures: 2.346 + 24.128 = 38.4 x 128.45 = Verify if…

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Q: How many significant figures are there in (a) 78.9 ± 0.2, (b) 3.788 × 10

A: Significant figures shows that the figures which gave the accuracy in the measurement.

Q: Starting with the definition that 1.00 in. = 2.54 cm, find the number of kilometers in 3.107 miles,…

A: Given data,           1.00 inch = 2.54 cm.   By using general conversion, convert the units…

Q: A car travels at 61 km/h and covers a distance of 32.904 m. How long in minutes did it take the car…

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Estimate of calculation