724 rounded to the nearest ten is 720. When rounding a number to the nearest ten, you look at the digit in the ones place. If it is 5 or greater, you round up; if it is less than 5, you round down. In this case, the digit in the ones place is 4, so we round down to the nearest ten, which is 720.
700
720
8 is already rounded to the nearest 10th. Rounded to the nearest 10 is 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
6799 rounded to the nearest 10 = 6800
70
37 rounded to the nearest 10 is 40.