Question

Which expression is equal to 5^4 x 5^8 ?

A: 5^12
B: 5^4
C: 5^2
D: 5^−4

Answer 1

The answer to the question is a.

Answer 2

So the rule with multiplying exponents with the same base is to just add the exponents together.

`5^4*5^8=5^(4+8)=5^(12)`

Your answer is going to be 5^12, or A.