Answer:
Note the placement of each digit:
1342.5414 =
1: thousands place
3: hundreds place
4: tens place
2: ones place
.
5: tenths place
4: hundredths place
1: thousandths place
4: ten thousandths place
You are rounding to the nearest thousandths. Look at the number in the ten thousandths place (4). Note that:
- If the number is 5 or greater, round up
- If the number is 4 or less, round down
In this case, the number is a 4, so you round down.
1342.5414 rounded to the nearest thousandths is 1342.541
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