Explain how you know that 0.38 is a rational number?

0.38 is a rational number because it can be expressed as fraction, and it isn't a repeating decimal.

Step-by-step explanation:

Repeating decimals aren't rational, and all rational numbers can be expressed as a fraction, or they aren't rational.

It's a rational number because it stops, the decimal is irrational if it continues forever without a pattern