Question

round 16.2146 to the nearest:
whole number:
tenth:
hundredth:
thousandth:

Explanation:

Step1: Round to whole number

Look at tenths digit (2 < 5), keep whole part: $16$

Step2: Round to nearest tenth

Look at hundredths digit (1 < 5), keep tenths digit: $16.2$

Step3: Round to nearest hundredth

Look at thousandths digit (4 < 5), keep hundredths digit: $16.21$

Step4: Round to nearest thousandth

Look at ten-thousandths digit (6 ≥ 5), round up thousandths digit: $16.215$

Answer:

Whole Number: 16
Tenth: 16.2
Hundredth: 16.21
Thousandth: 16.215