Question

A) If 8* = 1 64 find the value of x.

Answer 1

Answer:

x = -2

Step-by-step explanation:

$8^{x}$ = $\frac{1}{64}$

So to solve exponent.

8x=  1 /64

log(8x)=log( 1/ 64 ) (Take log of both sides)

x*(log(8))=log( 1 /64 )

x= log( 1 /64 ) /  log(8)

x=−2

Hope this helps!