marsbarr3 marsbarr3
  • 25-11-2017
  • Mathematics
contestada

round 12.368 to the nearest tenth

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sqdancefan
sqdancefan sqdancefan
  • 07-07-2018
The tenths digit is the first one to the right of the decimal point, 3. The digit to its immediate right (6) is more than 4, so rounding is accomplished by adding 1 to the tenths digit (to make it 4), then dropping all digits to its right.

The rounded number is
  12.4

_____
Alternatively, you can add half a tenth (.05) to the number, then drop all digits to the right of the tenths digit.
  12.368 + .0.5 = 12.418
Dropping digits to the right of the tenths digit, you have 12.4.
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