## anonymous one year ago What is the value of expression? 6^−7 • 6^4 A. 6^−3 B. 6^−11 C. 6^−28 D. 6^11

1. anonymous

@Nnesha

2. anonymous

Is it B?

3. anonymous

-7-4=-11

4. anonymous

so 6^-11

5. Nnesha

when you multiply same bases you should ADD their exponents

6. anonymous

right

7. Nnesha

so ? how did you get -4 ?

8. anonymous

the exponent in the problem

9. Nnesha

it's positive $6^{-7} \times 6^{4}$ so answer is ?

10. anonymous

ohh i see u thought i did -4 but i did -7 (subtract) 4

11. anonymous

I sent u a message

12. Nnesha

no add bec you r multiplying same base

13. Nnesha

post it here i don't read messages :)

14. anonymous

oh ok sorry i didnt know I said the answer is 6^-3

15. Nnesha

yes right!

16. anonymous

YAY! thx

17. Nnesha

my pleasure.

18. anonymous

Could u help me with 4 more the other i got a 60 on because u only helped me with 2 and those were right but the ones i did were wrong

19. anonymous

thx for the medal

20. Nnesha

i'm not sure. i'll try & np

21. anonymous

Ill put it in a new post