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What is the positive square root of $81$ ? $\newline$ ____

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Q. What is the positive square root of

81

?

\newline

____

Understand concept: Understand that the positive square root of a number is the non-negative number that, when multiplied by itself, gives the original number.
Calculate square root of $81$ : Calculate the positive square root of $81$ by finding the number that, when multiplied by itself, equals $81$ . $\newline$ $9 \times 9 = 81$ $\newline$ The positive square root of $81$ is $9$ .

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