Mathematics: Sam tried to subtract 21.3-1.9 Analyze her work- did she subtract correctly? How do you know? If she is wrong, what is the correct answer?

Sam tried to subtract 21.3-1.9 Analyze her work- - id2131910678007, angelasequen5656

Ответ:

msladycie8831

18.03.2022

Mathematics

You would have to put 21.3 on top and 1.9 under it. then you would have to borrow the number. the answer would be 19.4

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Ответ:

FailingstudentXD

18.03.2022

Mathematics

You would set up your equation with 21.3 on top and 1.9 on bottom, stacking them so the you can subtract from right to left to get the answer 19.4

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Ответ:

hemolelekeakua

16.01.2022

Mathematics

Please find the graph in the attached file.

Step-by-step explanation:

$\to \frac{\frac{4}{10}}{2} \ and \ \frac{1}{2} \times \frac{4}{10} =\frac{2}{10}\\\\\to \frac{0.4}{2} \ and \ 0.5 \times 0.4 =0.2\\\\\to 0.2 \ and \ 0.2 =0.2\\\\ \to \frac{2}{10} \ and \ \frac{2}{10} = \frac{2}{10}\\\\$

Use the number line to show and explain why 4 over 10 divided by 2 and 1 over 2 times 4 over 10 both

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Sam tried to subtract 21.3-1.9 Analyze her work- did she subtract correctly? How do you know? If she is wrong, what is the correct answer?

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