Convert Mixed Number 2 1/10 to Decimal Form: Step-by-Step Solution

To convert the mixed number $2\frac{1}{10}$ into a decimal, follow these steps:

• Step 1: Recognize the fractional part is $\frac{1}{10}$. With a denominator of 10, convert it directly to a decimal by placing the numerator in the tenths position: $\frac{1}{10} = 0.1$.

• Step 2: Add this decimal to the integer part (2), so $2 + 0.1 = 2.1$.

The decimal equivalent of the mixed number $2\frac{1}{10}$ is $\text{2}.1$.

Therefore, the solution to the problem is $\text{2}.1$, which matches choice .