To round 2.3 to the nearest whole number, follow these steps:
Identify the decimal part: In the number 2.3, the first digit after the decimal point is 3.
Apply rounding rules: Since the first digit after the decimal point (3) is less than 5, you keep the number unchanged.
Final rounded result: The number remains the same 2.
Thus, 2.3 rounded to the nearest whole number is 2.