Question

simplyfy

Answer 1

\[\huge \frac{x^a}{x^b} = x^{a-b}\]

Answer 2

a^m/a^n = a^(m-n)

Answer 3

\[x^7=x^2\times x^5\]

Answer 4

a = 2 here and b = 7 here..

Answer 5

so -4

Answer 6

x^2/x^7 = x^(2-7) = x^-5 = 1/x^5

Answer 7

2 - 7 = ??

Answer 8

a=-4

Answer 9

2 - 7 = ???

Answer 10

but it cant be -4

Answer 11

2 - 7 = 2 - 2 -5

Answer 12

-5

Answer 13

but thats not a choice

Answer 14

dont forget x

Answer 15

x=-5 isnt a choice thoguh

but there is x=5

Answer 16

and 1/x^5

Answer 17

\[a^{-1}=\frac1a\]

Answer 18

\[a^{-n}=\frac1{a^n}\]

Answer 19

sio the answer is