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Chapter 1: Q55. (page 44)

Evaluate the expression 82. (Lesson 1-2)

Short Answer

Expert verified

The solution is 64.

Step by step solution

01

Step 1. Concept of exponent and base.

In the expression ax, a is the base and x is the exponent.

The power is the result of repeated multiplication of the same factor.

The expressions ax this means that a has been used as a factor x time.

02

Step 2. Example of the exponent.

Example: Write the product 5鈰�5鈰�5鈰�5in the exponent.

For: 5鈰�5鈰�5鈰�5: the base a=5 and multiplied by 4 times.

In repeated multiplication: 5鈰�5鈰�5鈰�5in exponent form 54

03

Step 3. Evaluate the expression.

82=8鈰�8=64

Therefore, the value of the expression 82 is 64.

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