Question

Evaluate the power 4^-3.
a) 64
b) 1/64
c) 1/12
d) 12

Answer 1

b) 1/64

Explanation:

`\mathrm{Apply\:exponent\:rule}:\quad \:a^(-b)=(1)/(a^b)`

`4^(-3)=(1)/(4^3)`

`=(1)/(4^3)`

`4^3=64`

`4*4*4`

`=16* 4`

`=64`

`=(1)/(64)`