kierstinhobson
kierstinhobson kierstinhobson
  • 13-09-2017
  • Mathematics
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which is the best approximation of 80?

which is the best approximation of 80 class=

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absurdprism2
absurdprism2 absurdprism2
  • 13-09-2017
Normally, you would just use a calculator and enter √80. But if you don't want to use a calculator, remember that the square root is the number that goes into something when multiplied by itself. For example, √9 is 3, because 3*3=9. So, 80 is very close to 81. √81=9. Therefore, the answer to √80 will be slightly smaller than and extremely close to 9. Therefore, the answer is B) 8.9
Hope this helped! Comment if you have any questions.
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