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Dino111 Dino111
  • 29-09-2015
  • Mathematics
Answered

82 x 49 estimate then find product

Verified Answer :

liberty10
liberty10 liberty10
  • 29-09-2015

The rule is 5 and over you round up 4 and down round down so 82 is round to 80 and 49 is round to 50 so it would be 50 times 80 and it is 4000

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