Basic Math Examples

$0$ , $81^{\frac{1}{2}}$

Step 1

Simplify the expression.

Tap for more steps...

Step 1.1

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

$0, {(9^{2})}^{\frac{1}{2}}$

Step 1.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$0, 9^{2 (\frac{1}{2})}$

Step 2

Cancel the common factor of $2$ .

Tap for more steps...

Step 2.1

Cancel the common factor.

$0, 9^{2 (\frac{1}{2})}$

Step 2.2

Rewrite the expression.

$0, 9$

Step 3

The mean of a set of numbers is the sum divided by the number of terms.

$\frac{0 + 9}{2}$

Step 4

Add $0$ and $9$ .

$\frac{9}{2}$

Step 5

Divide.

$4.5$