what is 85 rounded to the nearest ten

85 rounded to the nearest ten is 90. When rounding to the nearest ten, we look at the digit in the ones place. If it is greater than or equal to 5, we round up to the next ten. If it is less than 5, we round down to the previous ten. Since 85 has a 5 in the ones place, we round up to the next ten, which is 90.