173k views
2 votes
Answer now!!! Please!!! (Math)

Answer now!!! Please!!! (Math)-example-1
User WebXL
by
7.7k points

1 Answer

5 votes

Answer:

The correct answer option is
(25)/(9).

Explanation:

We are given the following expression and we are to evaluate it when
a = 5 and
k = -2:


[(3^2a^(-2))/(3a^(-1)) ]^k

Substituting the given values of
a and
k to get:


[(3^2(5)^(-2))/(3(5)^(-1)) ]^(-2)


(3^((2* -2)).5^((1*-2)))/(3^((-1*-2)).5^((2*-2)))


(3^(-4).5^(-2))/(3^(-2).5^(-4))


3^(-2).5^2


\frac { 1 } { 3 ^ 2 } . 2


\frac { 1 } { 9 } . 2 5


\frac { 2 5 } { 9 }

User Mano Kovacs
by
7.8k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories