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ThePurpleGenius87
ThePurpleGenius87 ThePurpleGenius87
  • 17-11-2015
  • Mathematics
Answered

Explain how estimation helps you to place the decimal point when multiplying 3.9 x 5.3 ?

Verified Answer :

Anonymous Anonymous
  • 17-11-2015

Well the answer to that is 20.67.
Also, you can simply find this out by placing the decimal as you solve the problem, meaning as when you solve like this
  3.9
x5.3
--------
    .
Drag the decimal down.

Answer Link
Anonymous Anonymous
  • 17-11-2015

if you round 3.9 to 4 and 5.3 to 5 you can easily multiply those numbers together and get 15.

Answer Link

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