A positive number is any number bigger than zero. The following numbers are positive numbers.
Notice that 0 is neither positive nor negative.
Notice also that when a number is positive, you have a choice to write the number with a positive sign (+) or choose not to write the positive sign.
+5, +3.14, +5899, and +0.0001
Finally, notice as well that 0.02, +0.04, and +0.0001, although small, are still positive numbers.
There are many real-life situations that can be expressed with positive numbers. Here are some examples.