Question

If `3^n=27`, what is the value of `4^(n-1)`?

Answer 1

16

Explanation:

`3^n=27`

Notice that `27 = 3^3`

Hence: `3^n=3^3`

Equating exponents:`-> n=3`

`:. 4^(n-1) = 4^(3-1)`

`=4^2 = 16`