Powers of 10
Multiply whole numbers and powers of 10
Estimation
100

The standard form of 102

100
100

500 x 30

15,000

100

The approximate value of 114 x 12

1,000

200

10,000 in exponential notation

104

200

900 x 103

900,000

200

The approximate value of 219 x 18

4,000

300

What is 100?

1

300

1,200 x 300

360,000

300

The approximate value of 687 x 38

28,000

400

Write 107 in standard form

10,000,000

400

30 x 102

3,000

400

The best approximate value of 2,503 x 21

50,000

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