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Explain how using basic facts can help you find 10x20x30x40 mentally
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Explain how using basic facts can help you find 10x20x30x40 mentally

User Matthew Abrman
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You can easily just do 10 times 2 which is 20 and then you need to add to zero's then do the rest if you did if correctly you should have gotten :240000
Hope I helped If i didn't im sorry !
User Csuki
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