To round the number 17.28571429:
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Round to the tenths place:
- Look at the digit in the hundredths place (which is '8'). Since it is 5 or greater, we round the tenths digit (which is '2') up by one.
- Result: 17.3
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Round to the hundredths place:
- Look at the digit in the thousandths place (which is '5'). Since it is 5 or greater, we round the hundredths digit (which is '8') up by one.
- Result: 17.29
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Round to the thousandths place:
- Look at the digit in the ten-thousandths place (which is '7'). Since it is 5 or greater, we round the thousandths digit (which is '5') up by one.
- Result: 17.286
In summary:
- Tenths place: 17.3
- Hundredths place: 17.29
- Thousandths place: 17.286