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Ostrovityanka [42]
3 years ago
7

Marrisa added 1.56 and 13.47. She got 29.07. What mistake could Marrisa have made?

Mathematics
2 answers:
fomenos3 years ago
6 0
She hadn't lined up the decimal points correctly.

Incorrect way:

13.47
1.56

Correct way:

13.47
  1.56

Add them up to get the right answer.

13.47
  1.56
+____
15.03

So, the answer is 15.03.
ira [324]3 years ago
6 0

Answer:

Marrisa didin't line up decimals correctly.

Step-by-step explanation:

We have been given that Marrisa added 1.56 and 13.47. She got 29.07. We are asked to find Marrisa's mistake.

Marrisa made a mistake, while writing 1.56 and 13.47 as a addition problem, We didn't place decimal correctly. She would have placed her digit as show below:

  13.47

<u>+ 1.56   </u>

 29.07

The correct answer would be:

  13.47

<u>+   1.56   </u>

  15.03

Therefore, Marrisa didin't line up decimals correctly.

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