Answer:
1.428
Step-by-step explanation:
Place value can be defined as the numerical value representing a digit owing to its position in a number. Some examples of the various place values used in representing each digit are tenths, hundredths, thousandths, unit, tens, hundreds, thousands etc.
For example, in the number 1.4279;
The place value of 1 is units.
The place value of 4 is tenths.
The place value of 2 is hundredths.
The place value of 7 is thousandths.
The place value of 9 is ten thousandths.
The digit representing thousandths in 1.4279 is 7.
Therefore, rounding up to the nearest thousandth, we have;
1.4279 = 1.428.