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NannyPoo40 NannyPoo40
  • 22-09-2015
  • Mathematics
Answered

Using compatible numbers to estimate 329+64

Verified Answer :

lovelycelv lovelycelv
  • 22-09-2015

330+60. You see how the larger number rounded up because the last digit is a 9 so 5 & up round up. 64 you round down because the last digit is under 5 so round down. :)

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