1. Explain how to find 40 X 50 using mental math. Nam Chapter 3 Review/Test

asked Dec 6, 2021 45.3k views

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1. Explain how to find 40 X 50 using mental math.
Nam
Chapter 3 Review/Test

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Answer:

Multiply the 4 and 5 to get 20. Then add 2 zeros at the end of 20 to get 2,000.

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