670. The tens, on either side of 673 are 670 and 680. 673 is only 3 away from 670 but 7 away from 680. So 670 is nearer.
670
16
673 rounded to the nearest ten is 670.
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.