421 rounded to the nearest 10 is 420.
421 rounded to nearest tens is 420
420
400
10 because 8 is to small to have this and 10 is the first ten there is
10
421 rounded to nearest tens is 420
420
400
400
42.1
420
400
420
420
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