80
79.4 to the nearest tens place is 80
The nearest ten to 83 is 80. When rounding to the nearest ten, you look at the digit in the ones place, which is 3 in this case. Since 3 is less than 5, you round down to 80.
To the nearest ten it is 80
80
78 rounded to the nearest ten is 80
80
It is in fact 80 after rounding down to the nearest ten.
Find the nearest multiple of ten, in this case, 80.
Seventy-seven to the nearest ten is 80.
80
80
To the nearest hundred: 100 To the nearest ten: 80