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Explain how knowing 50×4 helps you find 500×400
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Explain how knowing 50×4 helps you find 500×400

User Dmitry Shilyaev
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5x4= 20
50x40=200
500x400=200000
Do you see the pattern? 5x4=20, which means that all you need to do is add the zeros. 50x40 has two zeros, which means it should equal 200.
User Thomsen
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