Question

simplify
1. (1/7)-^2
2. -7^2
3. (-7)^2

Answer 1

the answer is # 1

Answer 2

3 separate problems

Answer 3

oh so what have you done so far? what part are you lost?

Answer 4

i seems like all are either -1/-49 or -49.

Answer 5

hmm ok for number 1 when you have anything like this
\[A ^{-b}\] =
\[\frac{1}{A^b}\] so for the first do that and it should be easy to solve it

Answer 6

for the second the - sign is outside the 7 so you scared 7 first and then multiply it with the - sign

Answer 7

for the third its simply (-7) *(-7)

Answer 8

a.

= \[\frac{1}{49} \]

b.

= \[-49\]

c.

= 49