1Cademy - Rounding 18.379 to the Nearest Tenth

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Procedure for Rounding Decimals

Example

Rounding 18.379 to the Nearest Tenth

To round $18.379$ to the nearest tenth, apply the four-step decimal rounding procedure:

Locate the tenths digit: In $18.379$ , the digit in the tenths place is $3$ .
Look at the next digit: The digit immediately to the right of $3$ is $7$ .
Compare with $5$ : Because $7 \geq 5$ , add $1$ to the tenths digit, changing $3$ to $4$ .
Remove trailing digits: Delete the $7$ and $9$ (all digits to the right of the tenths place).

The rounded result is $18.4$ . Notice that the deleted digits are not replaced with zeros — they are simply dropped, since trailing zeros after a decimal's last nonzero digit do not change its value.

Updated 2026-05-02

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