90 rounded to the nearest 1, or whole number is 90. This is because 90 is already a current whole number. We know this because there is no decimal point following it.
90
90
It is 90 when rounded to the nearest ten
8.6
It is then 90 when rounded to the nearest ten
It is already is rounded to the nearest ten. The answer is 90.
90
90
90
90
90
Rounded to how many places ? 85.18 = 2 decimal places 85.2 - 1 decimal place 85 = rounded to the nearest whole number 90 = rounded to the nearest 10