Multiplying & Dividing by Powers of 10
8 x 1000 = 8 x ___ = ____
103 = 8000
What is 10 x 10 x 10 x 10 x 10 x 10?
106
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
2.7 x ___ = 2.7 x 104 = ___
10,000 = 2,700
True or False. If False, what is the correct answer?
410 = 10,000
False
104
0.04 x ____= 0.4
0.004 x ____= 4
101
103
5.2 ÷ 10 = 5.2 ÷ ____ = _____
101 = 0.52
29.8 ÷ 100 = 29.8 ÷ ___ = ____
102 = 0.298
What is 105?
100,000
____ x 0.006 = 0.6
____ x 0.006 = 6
102
103
325 ÷ 100 = 325 ÷ ____ = _____
102 = 3.25
3,477 ÷ 1000 = ____
5.5 x 104 = ____
3.477
55,000
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 ÷ ____ = 0.052
520 ÷ ____ = 5.2
103
102
0.18 x 106 = _____
167,369 ÷ 104 = _____
180,000
16.7369
True or False. If False, what is the correct answer?
10,000,000 is 10 to the power of 7.
True
8.74 x ____ = 874,000
0.0874 x ____ = 874,000
105
107
8,739 ÷ 101 = _____
8,739 ÷ _____ = 8.739
873.9
103