## A community for students. Sign up today

Here's the question you clicked on:

## anonymous one year ago What is the missing exponent? (6^ ?)-4 = 620

• This Question is Closed
1. anonymous

@Nnesha

2. anonymous

answer choies

3. anonymous

nope

4. Nnesha

$\huge\rm (6^{??})^{-4}$ $\huge\rm (x^m)^n=x^{m \times n}$

5. Nnesha

is this right $\huge\rm (6^{??})^{-4}=6^{20}$ ??

6. anonymous

Yes Is it -5

7. Nnesha

why ?? what you should with the exponents to get 20 ?

8. Nnesha

do*

9. anonymous

oh um subtract

10. Nnesha

Why did you pick -5 ?? i just wanna know you understand the concept

11. anonymous

umm i did it wrong sorry I did -4 * -5 and got 20 That's so wrong im sorry i was just trying

12. Nnesha

that's perfect!

13. anonymous

|dw:1439932923118:dw|

14. anonymous

OMG!!! can't believe i'm right!!!

15. Nnesha

:)

16. anonymous

ty

17. Nnesha

or you can solve for x look at yommbf drawing |dw:1439933075503:dw| bases are same so you can cancel them out and then solve for

18. Nnesha

np :)

#### Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy