Round 17 to the nearest ten.
Understand the Problem
The question is asking how to round the number 17 to the nearest ten. Rounding involves finding the closest multiple of ten to the number 17.
Answer
20
Answer for screen readers
The number 17 rounded to the nearest ten is 20.
Steps to Solve
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Identify the closest multiples of ten First, we need to find the multiples of ten that are closest to the number 17. The two closest multiples are 10 and 20.
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Calculate the differences Next, calculate the differences between 17 and these multiples.
- The difference from 10 is $17 - 10 = 7$.
- The difference from 20 is $20 - 17 = 3$.
- Compare the differences Now, we compare the two differences we calculated.
- The difference to 10 is 7.
- The difference to 20 is 3. Since 3 is less than 7, 20 is closer to 17 than 10 is.
- Round to the nearest ten Finally, since 20 is closer, we round 17 to the nearest ten, which is 20.
The number 17 rounded to the nearest ten is 20.
More Information
Rounding is a common mathematical practice used in various fields, such as finance and measurements, to simplify numbers. Rounding to the nearest ten helps in making quick estimations.
Tips
- A common mistake is not checking both closest multiples, leading to rounding in the wrong direction.
- Some might assume that rounding down is always the case for numbers less than the midpoint (in this case, 15), which is not true for every number.
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