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Chapter 2: Q60. (page 80)

Evaluate the following expression:

92

Short Answer

Expert verified

The solution of the expression 92is 81.

Step by step solution

01

Step 1. Given information.

The given expression is 92.

02

Step 2. Write the concept.

If a is any number, then

an=a脳a脳a脳鈥�脳an鈭�times

Here n is the power of a.

Take n=2.

Then a2=a脳a. Here 2 is the power of a.

03

Step 3. Solve the expression.

The expression 92can be solved below.

92=9脳9=81

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