Chapter 2 Measurement: Scientific Notation, Metric System, Graphing, and Significant Figures

-20⁰C = ____⁰F (Round to the nearest degree)

-4⁰F

20⁰F = ____⁰C (Round to the nearest degree)

-7⁰C

17⁰F = ____⁰C (Round to the nearest degree)

-8⁰C

57 mL = ______ L

0.057

How many significant digits area in the number 0.009?

1

64⁰F = ____⁰C (Round to the nearest degree)

18⁰C

93⁰C = ____⁰F (Round to the nearest degree)

199⁰F

2 cm = ______mm

20

73⁰F = ____⁰C (Round to the nearest degree)

23⁰C

The speed of light in a vacuum is exactly 299,792,458 meters per second. Write this number in scientific notation with the factor rounded to the hundredths place.

3.00 × 108

32⁰C = ____⁰F (Round to the nearest degree)

90⁰F

Multiply the following three numbers and report your answer to the correct number of significant figures: 0.020 cm x 50 cm x 11.1 cm

10 cm³

61⁰F = ____⁰C (Round to the nearest degree)

16⁰C

3.5 g = ______mg

3,500

Write 3,465 in scientific notation.

3.465×10³

How many significant digits are in the number 0.000005721?

4

Write 45,870,320 in scientific notation.

4.587032 × 10⁷

Find the sum of 23.6 liters, 4.75 liters, 12.065 liters, and 9.11 liters using the correct precision.

49.5 L

Divide the following numbers and report your answer to the correct number of significant figures: 0.530 g / 0.1010 mL = ?

5.25 g/mL

67.2 m = ______ cm

6,720

18⁰C = ____⁰F (Round to the nearest degree)

64⁰F

7,939 mg = ______ g

7.939

23⁰C = ____⁰F (Round to the nearest degree)

73⁰F

Which symbol makes the following statement true? 7,500 ______ 7.5 × 10³

=

Which symbol makes the following statement true? 568 ______ 5.1 × 10²

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