What is 18.379 rounded to the nearest tenth?

1. Locate the tenths place in 18.379, which holds the digit 3. 2. Look at the digit to its right, which is 7. 3. Since 7 is greater than or equal to 5, add 1 to the tenths digit: 3 + 1 = 4. 4. Remove all digits after the tenths place. 5. This gives 18.4, so 18.379 rounded to the nearest tenth is 18.4. _Source: OpenStax Prealgebra (CC BY 4.0), Ch 5 "Decimals", section 5.1 Decimals_