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Chapter 1: Q20. (page 27)

Use the Distributive Property to rewrite each expression. Then evaluate.

7(2 + 1)

Short Answer

Expert verified

The value of the expression 72+1is 21.

Step by step solution

01

Step 1. Use the distributive property.

The distributive law of multiplication over addition or subtraction states that, ab卤c=ab卤ac.

So, the values of the real number should be as follows:

a=7b=2c=1

02

Step 2. Rewrite the expression.

Use the distributive property to expand the expression further as shown below:

72+1=72+71

03

Step 3. Evaluate the expression.

To simplify further, multiply the numbers and solve further as shown below:

72+1=72+71Multiply=14+7Add=21

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