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How do you simplify $\sqrt{81}$ $sqrt(81)$ ?

1 Answer

Jul 13, 2015

$\sqrt{81} = 9$ $sqrt(81) = 9$

Explanation:

$\sqrt{81}$ $sqrt(81)$ is the positive value $k$ $k$ such that $k^{2}$ $k^2$ (or if you prefer, $k \times k$ $kxxk$ ) $= 81$ $= 81$

Since $9^{2} = 81$ $9^2 = 81$

$XXXX$ $color(white)("XXXX")$ $\sqrt{81} = 9$ $sqrt(81) = 9$

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