Decimal Point Alignment: Verifying 21.52 + 3.4 Addition Setup

Determine whether the exercise is correctly written or not.

True or false:

The positions of the decimal points correspond.

21.52+3.4

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Determine if the decimal point position is correct?
00:03 In long subtraction, the decimal point must be aligned one above the other
00:06 Therefore, the decimal point position is correct
00:09 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Determine whether the exercise is correctly written or not.

True or false:

The positions of the decimal points correspond.

21.52+3.4

2

Step-by-step solution

First let's fill in the zeros in the empty spaces as follows:

21.52+03.40 21.52\\+03.40\\ Note that the decimal points are written one below the other.

Therefore, the positions of the decimal points correspond and thus the exercise is written in the correct form.

3

Final Answer

True

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