Question

Which expressions are equivalent to 2^5.2^4? Check all that apply.

2^20
2.2^9
2^10 • 2²
2^-2 2^11
(2.2.2.2.2).(2.2.2.2)

Answer 1

The answer is 2 to the power out of

Answer 2

`2^9`

Explanation:

`2^5 * 2^4`

The law of exponents says that when the base is same in multiplication, add the exponents.

`2^(5+4)`

`=2^9`

The answer is 2 to the power of 9.