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For what value of a does 9= (1/27)^a+3?

For what value of a does 9= (1/27)^a+3?
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4 votes
For what value of a does 9= (1/27)^a+3?

asked
User Atirit
by
8.0k points

2 Answers

3 votes

Answer:

D) 11/3

Explanation:

took test

answered
User Mittelmania
by
7.9k points
1 vote
9=(1/27)^(a+3)
3^(2)=(3^(-3))^(a+3)
2=-3(a+3)
2=-3a-9
2+9=-3a
11/-3=a
a=-11/3
answered
User Gowtham Ramamoorthy
by
8.0k points
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