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 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 maneeha
  • 15-02-2015
Place the zero to hold the ten's place 
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