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Black_prince [1.1K]
3 years ago
6

Which expressions are equivalent? Check all that apply. 3^9 3^4 -9^2 9^9 81^1

Mathematics
2 answers:
Goryan [66]3 years ago
8 0

Answer:

3^4

-9^2

81^1

Step-by-step explanation:

3^4 is 3 x 3 x 3 x 3 = 9 x 9 = 81

-9^2 = -9 x -9 = 81 (if a negative value is squared by an even number, then it will be positive)

81^1 = 81

mariarad [96]3 years ago
4 0

Answer:

3^4 and 81^1

Step-by-step explanation:

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