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Chapter 2: Q3. (page 62)

Perform the indicated operation. (pp. 750–752)

8.23  -  4.97

Short Answer

Expert verified

The value of the expression is3.26.

Step by step solution

01

Step-1 – Define Decimal numbers: 

Decimal numbers are a set of numbers written together with a dit 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: 8.23 – 4.97 

Subtract 4.97 from 8.23, both the decimal numbers are having 2 digits after the decimal point.

       8  .  2  3   −4  .  9  7¯                    Subtraction      3  .  2  6

Thus, the value of the expression is 3.26.

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