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Mathematics 21 Online
OpenStudy (anonymous):

5*20=20*?

OpenStudy (anonymous):

5

OpenStudy (anonymous):

how do u know

jagr2713 (jagr2713):

Are dividing or multiplying

OpenStudy (anonymous):

5*20=20*5 so it makes sence

OpenStudy (anonymous):

multplying

OpenStudy (anonymous):

o thx

OpenStudy (anonymous):

5*20=20*5

jagr2713 (jagr2713):

So we set up the long multiplication |dw:1431364336059:dw|

jagr2713 (jagr2713):

Then we calculate 5X2 , which is 10 Since 10 is two-digit, we carry the first digit 1 to the next column |dw:1431364395915:dw|

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