Question

(9y)^-2 and you use only positive exponents
simplfy
would it be (9X9)/(yXy)

Answer 1

use the exponent law
\[a ^{-m}=\frac{ 1 }{ a ^{m} }\]

Answer 2

so what do you think is the answer now??

Answer 3

????

Answer 4

1/9^2y^2

Answer 5

correct or better still

1
------
81y^2