Simplify 36÷2-(81÷(3^2))

$36 \div 2 - (81 \div 3^{2})$

Simplify each term.

Divide $36$ by $2$ .

$18 - (81 \div 3^{2})$

Rewrite the division as a fraction.

$18 - \frac{81}{3^{2}}$

Raise $3$ to the power of $2$ .

$18 - \frac{81}{9}$

Divide $81$ by $9$ .

$18 - 1 \cdot 9$

Multiply $- 1$ by $9$ .

$18 - 9$

$18 - 9$

Subtract $9$ from $18$ .

$9$

Related Questions