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Algebra 1

Carter, Cuevas, Day, Holiday, Luchin

$Math Studyset Vaia Explanations$ Math

Student Edition · 801 pages

ISBN: 9780078884801

Chapter 2: Q60. (page 80)

Evaluate the following expression:
$9^{2}$

Short Answer

Expert verified

The solution of the expression $9^{2}$ is 81.

Step by step solution

01

Step 1. Given information.

The given expression is $9^{2}$ .

02

Step 2. Write the concept.

If a is any number, then

$a^{n} = a \times a \times a \times \dots \times a (n - times)$

Here n is the power of a.

Take $n = 2$ .

Then $a^{2} = a \times a$ . Here 2 is the power of a.

03

Step 3. Solve the expression.

The expression $9^{2}$ can be solved below.

$9^{2} = 9 \times 9 = 81$

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