What is 13.73 rounded to the nearest tenth?

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13.0

13.7

13.8

14.0

answer is B.

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Detailed Solution

Concept- To round 13.73 to the closest tenth, just leave one digit in the fractional component of the number. Therefore, if the final digit of 13.73's fractional component is less than 5, the final digit is simply eliminated.
A) If the final digit of the fractional component of 13.73 is less than 5, the final digit should be eliminated.
B) If the fractional component of 13.73 has a last digit that is 5 or more and a first digit that is less than 9, add 1 to the first digit and take away the second digit.
C) If the fractional portion of 13.73 has a last digit of five or more and a starting digit of nine, add one to the integer part to make the fractional part zero.
Rule A is applicable with 13.73, hence the solution is 13.7.
Hence, the correct answer is option 2.

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