Rounding Sig Figs
Number of Sig Figs
Scientific Notation
100

10.3215 rounded to 2 sig figs

What is 10. ?

100

Number of sig figs in 175

What is 3?
100

14.75 in scientific notation

What is 1.475 x 10^1?

200

1051.275 rounded to 3 sig figs

What is 1050?

200

Number of sig figs in 0.012

What is 2?

200

1250.01 in scientific notation

What is 1.25001 x 10^3?

300

0.0015826 rounded to 4 sig figs

What is 0.001583?

300

Number of sig figs in 125.0010

What is 7?

300

.000000321 in scientific notation

What is 3.21 x 10^-7?
400

5,487,129 m rounded to 3 sig figs

What is 5,490,000 m?

400

Number of sig figs in 3.00 x 10^6

What is 3?

400

0.00098 in scientific notation

What is 9.8 x 10^-4?

500

0.000680340 rounded to 6 sig figs

What is 0.000680340

500

Number of sig figs in 100,150,060

What is 8?

500

7,950,000 in scientific notation

What is 7.95 x 10^6?