I. How many significant figures does each number contain? 1 ]  0.00 2]  160 3]   0.00160 4 ] 1,600,000 5]  1.06

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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I. How many significant figures does each number contain?

1 ]  0.00

2]  160

3]   0.00160

4 ] 1,600,000

5]  1.06

 

II. Round off each number to three significant figures.

1]  25,401

2]  1,248,486

3]  123456

4]  371

5]  0.012695982

III. Write each quantity in scientific notation.

1]  1,234 g

2]  44,000 km

3]  0.000162 m

4]  5,244,000 L

6]  4,440 s

 

III. Convert each number to its standard form.

1]  4 x 10⁸

2]  3 x 10²

3]  822 x 10⁻⁵

4]  0.2 x 10¹0

5]  200 x 10⁻⁷

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