Question

round 0.123 to the nearest hundredth.

Explanation:

Step1: Identify the hundredths place

In $0.123$, the hundredths digit is $2$ (second decimal place).

Step2: Check the next digit

The digit to the right of the hundredths place is $3$, which is less than $5$.

Step3: Keep the hundredths digit

Since $3<5$, we do not round up the hundredths digit.

Answer:

$0.12$