2.4.2 Self-Check on Rounding

Exercise 3: Rounding Decimal Numbers

Round each number to the specified placeholder:

(a) 456.28377 to the nearest thousandth.

(a) 456.284 (7 in the ten thousandths place indicates we round up).

(b) 2885 to the nearest hundred.

(b) 2900 (8 in the tens place indicates we round up).

(c) 43.653 to the nearest unit.

(c) 44 (6 in the tenths place indicates we round up).

(d) 752.245 to the nearest tenth.

(d) 752.2 (the 4 in the hundredths place indicates we leave the digit in the tenths place unchanged).

(e) 10.995 to 1 decimal place.

(e) 11.0 (the 9 in the second decimal place indicates that we round up 9 to 10).

(f) 15.5435 to 3 decimal places.