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209.971

Note that:

  • 9 is in the tenths digit
  • Next to that digit, 7 is in the hundredths digit

Since 7 is at least 5, we round up the value to obtain:

210.0

If the adjacent digit is not at least 5 i.e. 0,1,2,3,4, then we round down the value.

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12y ago

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