Find the greatest possible error for the given measurement if it is to the nearest 10 miles.


150 mi

the error is 5 mi

145 mi would be "rounded" to 150 mi

To find the greatest possible error for a measurement to the nearest 10 miles, you need to determine the range within which the value can vary.

In this case, the given measurement is 150 miles.

To find the greatest possible error, consider the range between two consecutive 10-mile intervals.

The lower boundary of the range would be the measurement rounded down to the nearest 10 miles, which is 140 miles (150 - 10).

The upper boundary of the range would be the measurement rounded up to the nearest 10 miles, which is 160 miles (150 + 10).

Therefore, the greatest possible error for the given measurement (150 miles) to the nearest 10 miles is 10 miles.