Question

Convert 0.0000001 to a power of 10.

107
10−7
106
10−6

Answer 1

Since you have to move the decimal point the the right by 7 places to get the decimal point after the one. You must multiply by 1/10 seven times, which is the same as:

10^-7

Answer 2

10^-7 = 0.0000001

when the number is a decimal the power is a negative number