Is 0.3 a real number? A rational or irrational number? A whole number? An integer?

0.3 is a rational number written in decimal form.

A rational number is a number of the form

p/q where p and q are integers and

q cannot equal 0. 0.3 = 3/10 (the numerator and denominator are integers and the denominator is non-zero) 0.3 is neither an integer nor a whole number. Whole numbers are the numbers 0, 1, 2, 3, 4, 5, ... (and so on) Integers are like whole numbers, but they also include negative numbers. (fractions are not allowed) They include: positive integers {1,2,3,4,5, ... }, negative integers{-1,-2,-3,-4,-5 ... }, and zero.

It is a rational number ...