Significant Figures Worksheet - Anderson High School



Name Date Per

Significant Figures Worksheet

How many significant figures are in each of the following numbers?

1) 5.40 6) 1.2 x 103

2) 210 7) 0.00120

3) 801.5 8) 0.0102

4) 1,000 9) 9.010 x 10-6

5) 101.0100 10) 2,370.0

Round these numbers to 3 significant digits.

11) 1,566,311

12) 2.7651 X 10 -3

13) 84,592

14) 0.0011672

15) 0.07799

Perform the following calculations. Report your answer to the correct number of significant figures.

16) 144.3854 + 8.04 – 165.32 + 30.0 =

17) 1 x 0.074 ÷ 2.014 =

18) 73.8967 x 9.03 ÷ 875.34 =

19) (410 x 63.91) ÷ (17.9 ÷ 0.002) =

20) 50.31 + 70.408 =

13.38 x 0.018

Significant Figures WS - Answers 

1) 3

2) 2

3) 4

4) 1

5) 7

6) 2

7) 3

8) 3

9) 4

10) 5

11) 1,570,000

12) 2.77 x 10-3

13) 84,600

14) 0.00117

15) 0.0780

16) 17.1

17) 0.04

18) 0.762

19) 3

20) 500 -or- 5.0 x 102

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