Document Preview:

I. Write the number of significant figures for each example.

Number Sig. Figs Number Sig Figs 0.120 3 565,900 4 0.002300 6570 700.00 462,119 220 0.0000701
II. Write each number in scientific notation AND 4 significant figures.

Standard Scientific Notation Standard Scientific Notation 985,200 9.852 x 105 0.0000039998 4.000 x 10-6 0.0088542 300,000,000,000 1509.774 36.9548 0.00000036628 22,778
III. Solve the following using correct significant figures.

15.9994 + 12.011 + 1.0079 + 107.92 + 35.453 = 172.39 Answers

486.7926 + 187.4255 + 38.744 + 116.5 = 829.5

IV. Solve the following problems. Write answers in BOTH SCIENTIFIC AND STANDARD notation. Use correct significant figures.

Problem Standard Scientific 7.256 x 1023
1.22669 x 105 (92,035.85 x 8.01 x 10-3)
8.644 x 10-6 (7400 – 2175)
4.5054 x 102

CHM 2025L

Significant Figures Worksheet

NAME:

I. Write the number of significant figures for each example.

Number Sig. Figs Number Sig Figs 0.120 3 565,900 4 0.002300 6570 700.00 462,119 220 0.0000701
II. Write each number in scientific notation AND 4 significant figures.

Standard Scientific Notation Standard Scientific Notation 985,200 9.852 x 105 0.0000039998 4.000 x 10-6 0.0088542 300,000,000,000 1509.774 36.9548 0.00000036628 22,778
III. Solve the following using correct significant figures.

15.9994 + 12.011 + 1.0079 + 107.92 + 35.453 = 172.39 Answers

486.7926 + 187.4255 + 38.744 + 116.5 = 829.5

IV. Solve the following problems. Write answers in BOTH SCIENTIFIC AND STANDARD notation. Use correct significant figures.

Problem Standard Scientific 7.256 x 1023
1.22669 x 105 (92,035.85 x…