Rounding Off Decimals and Significant Figures

1. 1. Round 18.24 to the nearest whole.

1. 2. Round 3.125 to the nearest hundredths.

1. 3. Round 0.3474 to the nearest thousandths.

1. 4. Round 52.97 to the nearest tenths.

1. 5. Round 3.998 to the nearest hundredths.

6. 6. The organizers computed that 7.4 buses are needed for the field trip. Exactly how many buses are needed?

6. 7. You calculated that you have enough money to buy 3.8 books. Exactly how many books can you buy?

6. 8. Determine the number of significant digits in the number below:

7. 108.324

6. 9. Determine the number of significant digits in the number below:

7. 0.629

6. 10. Determine the number of significant digits in the number below:

7. 0.0023