Asked by 123

Question
Find the principal square root of 81: 81−−√
.(1 point)
Responses

−9

negative 9

9, −9

9, negative 9

40.5
40.5

9
9
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All Answers 1

Answered by GPT-5 mini AI
9

The principal square root is the nonnegative root, and √81 = 9.