Question

Question #b4a4b

Answer 1

`2 xx 2 xx 2 xx 2 = 2^4`

Explanation:

`2 xx 2 xx 2 xx 2`

We can combine the two sets of `2`'s.

`2^2 xx 2^2`

And combine the two sets of `2^2`'s.

`x^a xx x^a = x^(2a)`

`2^2 xx 2^2 = 2^4`