80
80
do you mean ten?
645 rounded to the nearest ten would simply be 650.
To the nearest ten, 2310 To the nearest hundred, 2300 To the nearest thousand, 2000
That would be 160.
350000350000
It is 80 because 9 is greater than 5
87187 to its nearest ten thousand is 87000 and 79814 to its nearest ten thousand is 80000. Therefore it's sum will be 87000 + 80000 = 167000
61, 67, 71, 73, 79, 83, 89, 97, so 79 is nearest
79
40+30+20+80=170
71 rounds to 70 75 rounds to 80 79 rounds to 80