Significant Figures Practice Worksheet Answer - Fill and Sign ... - Free Printable

1. 4
2. 3
3. 4
4. 6
5. 2
6. 3
7. 1
8. 3
9. 5
10. 2
11. 4
12. 2

To two sig figs:
3,400,000 → 3.4 × 10⁶
21.860001 → 22
375.6523 → 380
112.811 → 110
45.4673 → 45

To one sig fig:
41.87 → 40
2.473 → 2
5.687524 → 6
125.3 → 100
8.255 → 8

To two sig figs:
22.094 → 22
79.25558 → 79
8.03962 → 8.0
3.4125 → 3.4
41.86652 → 42

Scientific Notation | Sig Figs
1.33x10^6 → 3
1.21x10^-3 → 3
4.23x10^3 → 3
0.00000000000313 → 3.13 × 10⁻¹², 3
0.0040238 → 4.02 × 10⁻³, 3
0.0000205 → 2.05 × 10⁻⁵, 3