How do you round 213 to the nearest hundred?

1 Answer
Mar 5, 2018

200

Explanation:

We can write #213# as #2.13 xx 10^2#

Note that #10^2 = 100#

Also, that 0.13 <0.5#

Since we round up for the trailing digit #>=5 -> 0.13 = 0# to 0D

Hence, 213 rounded to the nearest hundred #= 2 xx 10^2 = 200#