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Multiplying by Powers of 10
Dividing by Powers of 10
Multiplying Decimals
100
5.7 * 10^1
57
100
12.8 / 10^1
1.28
100
2.4*4.8
11.52
200

4.5 * 10 ^2

450

200
12.8/ 10^ 2
0.128
200
10.5*5=
52.5
300

9.3 * 10^ 3

9,300

300
12.8 / 10^3
0.0128
300
12.6 * 8.7 =
109.62
400

1.67*10^4

16,700

400
12.8/10^4
0.00128
400
16.4*2.4=
39.36
500

3.2*10^5

320,000

500

How do you know where to place your decimal point when dividing by powers of 10?

The exponent tells you how many times to move the decimal point over to the left

500

53.7 * 98.3

5,278.71