Question

What is the value of the expression?

7^-3x7^9/7^-8


A.
714

B.
72

C.
7−14

D.
7−2

Answer 1

Come on you got this :P

\[\large \frac{7^{-3}\times 7^{9}}{7^{-8}}\]

Take care of the top first...leave the 7 alone and add the exponents...so -3 + 9 = 6

So now we have

\[\large \frac{7^6}{7^{-8}}\]

And now we leave the 7 alone again and subtract the exponents

\[\large 6 - (-8) = ?\]

Answer 2

so its -14 right?

Answer 3

Nope...

\[\large 6 - (-8) = 6 + 8 = ?\]

Answer 4

oh 14

Answer 5

srry

Answer 6

Lol dont worry about it good job :P