issyaries issyaries

15-02-2015
Mathematics

contestada

why do you add a zero when multiplying two digit by two digit numbers?

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mimiisawesome5 mimiisawesome5

15-02-2015

It helps align the problem right. There is nothing to multiply there, so you have put a 0 or you'll get confused on what to do next.

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maneeha maneeha

15-02-2015

Place the zero to hold the ten's place

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