Seudónimo Seudónimo
  • 20-09-2016
  • Mathematics
contestada

estimate the sum of 487 and 310

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cipleo04 cipleo04
  • 20-09-2016
Round the number 487 and round 310.                                                              487=500                 310=300.              500+300=800
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CaptainDonut
CaptainDonut CaptainDonut
  • 20-09-2016
First round 487 to 500, then round 310 to 300, what i did was round them to the nearest hundredth so they would be easy to add
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