Question

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

Answer 1

x = -2

Explanation:

`8^(x)` =
`(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!