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Chapter 2: Q3. (page 64)

In Exercises 1鈥�3, evaluate the expression. Justify each of your steps.

3.4+9.7+7.6

Short Answer

Expert verified

The value of expression is20.7.

Step by step solution

01

Step-1 – Define Decimal numbers: 

Decimal numbers are a set of numbers written together with a dot in between then that is called a decimal point.

Example: 56.78, 23.4, 29.008.

02

Step-2 – How to add or subtract the decimal numbers: 

To add two decimal numbers, first check if they have the same number of digits to the right of the decimal point. If they don`t add zeros to the right of one of the numbers until they do. Then, write one number on top of the other, lining up the decimal points vertically.

03

Step-3 –Evaluate: 3.4 + 9.7 + 7.6 

Addition the decimal numbers, both the decimal numbers are having 1 digit after the decimal point.

3.4+9.77.6炉Addition20.7

Thus, the value of expression is 20.7.

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Most popular questions from this chapter

Use the distributive property to write an equivalent variable expression.

8(x+2)

Identify the property that the statement illustrates.

n+q=q+n

Use the distributive property to evaluate the expression.

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Use the distributive property to write an equivalent variable expression.

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Simplify the expression.

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