Question

what is 3.149 rounded to the nearest hundredth? a 3.14 b 3.15 c 3.1 d 3.2

Explanation:

Step1: Identify the hundredths place

In $3.149$, the hundredths digit is $4$, and the digit to its right (thousandths place) is $9$.

Step2: Apply rounding rule

Since the thousandths digit $9 \geq 5$, add $1$ to the hundredths digit: $4 + 1 = 5$. Drop the digit after the hundredths place.

Answer:

B. 3.15