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Explain how to find 40 X 50 using mental math

Explain how to find 40 X 50 using mental math
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5 votes
Explain how to find 40 X 50 using mental math

User Arkadiusz Raszeja
by
8.1k points

2 Answers

5 votes
first do 4x5 and then times by a hundred.
4x5=20
20×100=2000
so just add on the 2 zeros

User Zenzer
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7.7k points
6 votes
just do 4 times 5 which is 20 and then add 2 more zeros and you get 2000
User Jeff Doolittle
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8.0k points
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