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Mathematics, 26.01.2021 20:10 jamaiciaw6

34 times 25 = 100 plus 75 = 175 A student completed the multiplication problem shown on the left. What was done incorrectly?

She made an addition error when adding 100 + 75.
After she multiplied 4 × 20, the two extra tens from
4 × 5 were not added.
She multiplied 3 × 25 instead of 30 × 25.
She made a multiplication error when multiplying
4 × 25.

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34 times 25 = 100 plus 75 = 175 A student completed the multiplication problem shown on the left. W...
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