Convert Fraction to Percentage: Solving 42.3/100

To convert a fraction to a percentage, follow these steps:

• Identify the fraction given: $\frac{42.3}{100}$.
• Multiply the fraction by 100 to convert it to a percentage.
• $\frac{42.3}{100} \times 100 = 42.3$.

Therefore, $\frac{42.3}{100}$ as a percentage is 42.3%.

The correct multiple-choice answer is $42.3\%$, corresponding to choice 2.