Chapter 3 - Multiply / Divide Powers of 10, and Rounding Decimals

Multiply by Powers of 10

100

6.7×10²=

670

200

0.53×10⁴=

5300

300

8,240×10³

8,240,000

400

9.62 x 10⁶

9,620,000

Divide by Powers of 10

100

4,800÷10²

48

200

3.75÷10²

0.0375

300

7.24÷10³

0.00724

400

0.96÷10⁴

0.000096

Rounding Decimals

100

Round 3.456 to 2 decimal places.

3.46

200

Round 9.8769 to 3 decimal places

9.877

300

Round 12.34568 to 4 decimal places.

12.3457

400

Round 0.006745 to 3 decimal places.

0.007

Mixed Challenge

100

What is 10⁵ in numbers

100, 000

200

What is 10⁷  in numbers 

10,000,000

300

Round 78.946 to decimal places 

78.95

400

8.46 x 10⁸

846,000,000

Bonus Final Jeopardy

100

Multiply 3.42 × 10¹, then round the result to 1 decimal place.

34.2 → 34.2

200

Divide 7.865 ÷ 10¹, then round the result to 2 decimal places.

0.7865 → 0.79

300

Multiply 4.932 × 10², then round the result to the nearest whole number.

493.2 → 493

400

Divide 5.4789 ÷ 10³, then round the result to 4 decimal places.

0.0054789 → 0.0055