Chapter 2: Q3. (page 64)

In Exercises 1–3, 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

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.

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.

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.

$\begin{array}{l} 3.4 \\ + \underline{\begin{array}{l} 9.7 \\ 7.6 \end{array}} Addition \\ 20.7 \end{array}$

Thus, the value of expression is 20.7.

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In Exercises 1–3, evaluate the expression. Justify each of your steps.
$3.4 + 9.7 + 7.6$

Short Answer

Step by step solution

Step-1 – Define Decimal numbers:

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

Step-3 –Evaluate: 3.4 + 9.7 + 7.6

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In Exercises 1–3, evaluate the expression. Justify each of your steps.3.4+9.7+7.6

Short Answer

Step by step solution

Step-1 – Define Decimal numbers:

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

Step-3 –Evaluate: 3.4 + 9.7 + 7.6

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Calculus

Logic and Functions

Applied Mathematics

Decision Maths

Probability and Statistics

Geometry

Study anywhere. Anytime. Across all devices.

In Exercises 1–3, evaluate the expression. Justify each of your steps.
$3.4 + 9.7 + 7.6$