Question

http://prntscr.com/2z77xj need help understanding this so lost.

Answer 1

Wow!! Do you think there are enough ads on that platform? You may wish to find another host for your screen prints!

\(2^{3+2-1} =\;\)??

Answer 2

ill type it

Answer 3

2^3 x 2^2 x 2^-1

Answer 4

No need. Just use the rules of exponents and add them all up. The bases are the same, just add the exponents.

Answer 5

the -1 confuses me

Answer 6

-6 is what i get when adding the bases.

Answer 7

3 + 2 - 1 = ??

Answer 8

4?

Answer 9

Why are you adding bases? That is never the right thing to do.

\(a^{b}\cdot a^{c} = a^{b+c}\)

When the bases are the same, just add the exponents.

Answer 10

Do you still doubt?

Answer 11

even when adding the exponets none of my choice answers are it.

Answer 12

It's \(2^{4}\). It may want some other form. Maybe just 16? \(2^{4} = 16\)

Answer 13

16 is one of my answer choices.

Answer 14

Well, there you go.