Decimal Addition Format: Is 7.462 + 2.13 Properly Aligned?

Is the following written in the correct format?

7.4622.13+

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Determine what is the correct writing form?
00:03 We will use long addition to find the correct way
00:07 We will write so that the decimal points are one above the other
00:13 And likewise each digit one above the other accordingly
00:18 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Is the following written in the correct format?

7.4622.13+

2

Step-by-step solution

To determine if the addition of decimals is set up correctly, follow these steps:

  • Step 1: Check the alignment of the decimal points in both numbers.
  • Step 2: Ensure each corresponding place value (units, tenths, hundredths, etc.) is aligned vertically.
  • Step 3: Look at the layout provided:
    7.462+.2.13 \begin{array}{c} 7.462 \\ +\phantom{.}2.13 \\ \hline \end{array}

The first number, 7.4627.462, has three decimal places, whereas the second number, 2.132.13, has two decimal places. The decimal point in 2.132.13 should be directly below the decimal point in 7.4627.462. However, it appears that the digits in the tenths and hundredths place of 2.132.13 are not properly aligned with 7.4627.462. Hence, the addition is not aligned correctly as the decimal points are not vertically aligned.

Therefore, the addition layout is incorrect, and the solution to the problem is:

No

3

Final Answer

No

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