Multiplying by Powers of 10
8 x 1000 = 8 x ___ = ____
103
8000
What is the exponential form of 10 x 10 x 10 x 10
104
When you multiply a number by a power of 10, you move the digits to the _________
Left
When you divide a number by a power of 10, you move the digits to the _________
Right
6.671 × 100
667.1
2 x ___ = 2 x 101 = ___
10
20
Is this a power of 10?
410
No
(Powers of 10 must have BASES of 10)
0.04 x ____= 0.4
0.004 x ____= 4
101
103
5.2 ÷ 10
0.52
684 ÷ 1,000
.684
0.002 x 100 = 0.002 x ___ = ____
102
2
What is 105
100,000
____ x 0.006 = 00.6
____ x 0.006 = 6
102
103
520 ÷ 102
5.2
32.1 × 10
321
0.03 x 1000 = ____
30
The exponent is equal to the _____________ after the 1 in a power of 10
Number of zeros
0.007 x ___ = 7
0.07 x ___ = 7
103
102
52 ÷ 103
0.052
455 ÷ 1,000
.455
0.18 x 100 =
18
10,000 is 10 to the power of ____
4
8 x 100 = 8 x 102 = ____
800
5200 ÷ 101
520
754.2 ÷ 102
7.542