Which number produces an rational number when multiplied by 1/5

Any number that can be represented as a ratio of two integers is a rational number. In other words if I had the whole number 10, it can be expressed as 10/1.

Repeating numbers can also be rational for they terminate themselves.

So, if you had the number 0.333... it can be expressed as 1/3.

An example of an irrational number is the number pi 3.14159

The same number is not repeated and therefore can not be expressed as a fraction or a ratio.

21 i watched a 3 hr vid explaining it

step-by-step explanation:

du what else would it be

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