Question

What is the value of the expression?

4^3 • 4^−5

A.
4^−15

B.
4^−2

C.
4^2

D.
4^8

Answer 1

When bases are same and in Multiplication, their powers get added..

\[\large \color{green}{a^m \cdot a^n = a^{m+n}}\]

Here, \(m = 3\) and \(n = -5\), And just plug in the values and do the necessary calculation thereafter.. :)

Answer 2

So, 4^3+(-5)=???

Answer 3

B

Answer 4

Yeah