JMmom JMmom
  • 21-09-2018
  • Mathematics
contestada

5x420 find the product and tell which strategy you used

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jeffreyjoe62 jeffreyjoe62
  • 21-09-2018

5{400+20}

Opening brackets

5*400+5*20

Fairly easy multiplication,

=2000+100

=2100

Answer Link

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