The rule is if the number to the right is less than 4, round down. If the number to the right id greater than 5 round up.
So the 4 in 24 is less than 5, so round down to the nearest 10 which is 20.
57 to the nearest ten
34
8 is already rounded to the nearest 10th. Rounded to the nearest 10 is 10.
10
149,100,000, rounded to the nearest 10 million = 150,000,000149,100,000, rounded to the nearest 10 million = 150,000,000149,100,000, rounded to the nearest 10 million = 150,000,000149,100,000, rounded to the nearest 10 million = 150,000,000
10 because 8 is to small to have this and 10 is the first ten there is
10
Rounded to the nearest ten it is 10 but rounded to the nearest tenth it is 12.6
10
10
6799 rounded to the nearest 10 = 6800
70
37 rounded to the nearest 10 is 40.
360