Question #b4a4b

1 Answer
Jun 12, 2017

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