Q. Which of the following is a whole number?Choices:(A) −9(B) 3(C) 81(D) 61
Identify whole numbers: Step 1: Identify whole numbers among the choices.Whole numbers are non-negative integers0,1,2,3,….(A) −9 is negative, so it's not a whole number.(B) 3 is positive and an integer, so it is a whole number.(C) 81 is a fraction, not a whole number.(D) 61 is also a fraction, not a whole number.