Question

What is the value of the expression?
7^-3 x 7^9 over 7^-8

Answer 1

use these identities-\[a^x \times a^y=a^{x+y}\]and this one too-\[\frac{ a^x }{ a^y }=a^{x-y}\]

Answer 2

a. 7^14
b. 7^2
c. 7^-14
d. 7^-2

Answer 3

did u try it?

Answer 4

so its c? @imqwerty

Answer 5

no :)
check ur calculations once again

Answer 6

a?

Answer 7

yess!! :D

Answer 8

8^(-3+9+8)=8^14
Can you tell why +8?