The answer is 20.
40 is the nearest 10, so it is 3 away from it.
about 10 miles
It is then 24
24 to the nearest tenths is 24.0
20
24 rounded to the nearest ten is 20
24
3 3 away from 80 7 away from 90
To the nearest hundred 24 rounds down to 0.
24-26 feet or meter 10-15
The nearest 10 is 10.