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I need help! i cant figure this one out

I need help! i cant figure this one out-example-1

2 Answers

2 votes

Hello there!

Answer:

81

Explanation:

We can use the special formula:


a {}^(n) * a {}^(m) = a {}^(m + n)

where a = 3, n = 5 and m = -1.


3 {}^(5) * 3 {}^( - 1) = {3}^(5 - 1) = 3 {}^(4) = (3 {}^(2) ) {}^(2) = 9 {}^(2) = 81

User Nogus
by
7.3k points
2 votes

Explanation:


3^5\cdot3^(-1)\\=(3^5)/(3)\\=\boxed{3^4}

User Lukas Vermeer
by
7.0k points