The answer can be 70 or 80 since 75 is equally far away from both. Generally you pick an answer appropriate to the context, for example; if you need to sit 75 people for a meal and the tables seat 10 each, then you will want to round up to 80.
The rules of rounding require 5 to round up. The answer is 80.
75 rounded to the nearest ten is 80.
It is: 10
75 rounded to the nearest ten is 80
75
75
80
100
100
33.3*75 = 2497.5 Rounded to the nearest whole, it's 2498.
75.0
8 is already rounded to the nearest 10th. Rounded to the nearest 10 is 10.
It is 75