nanz nanz
  • 25-02-2015
  • Mathematics
contestada

write an expression used to find 4x275 using mental math and properties of numbers

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elizabethuga9
elizabethuga9 elizabethuga9
  • 25-02-2015
What I suggest is to round the numbers. 4 rounds up to 5. 275 would round up to 280 or 300 whatever is easier. your expression would be 5*280 or 5*300. 
 I hope this helped  :)
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