Round to the nearest one.

Question

82.1

A.
83
B.
82
C.
821
D.
80

Answer 1

To round 82.1 to the nearest one, we look at the digit in the tenths place, which is 1. Since 1 is less than 5, we round down.

Therefore, 82.1 rounded to the nearest one is:

B. 82