Basic Math Examples

$7.5 \div \sqrt{81}$

Step 1

Rewrite the division as a fraction.

$\frac{7.5}{\sqrt{81}}$

Step 2

Simplify the denominator.

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Step 2.1

Rewrite $81$ as $9^{2}$ .

$\frac{7.5}{\sqrt{9^{2}}}$

Step 2.2

Pull terms out from under the radical, assuming positive real numbers.

$\frac{7.5}{9}$

Step 3

Divide $7.5$ by $9$ .

$0.8\overline{3}$