Which of the following is a rational number: 2π, 6/0, 61−−√, or 0.37815?(1 point)

Answer 1

The rational numbers are numbers that can be expressed as a ratio of two integers.

Out of the options given:
- 2π is an irrational number because π is an irrational number.
- 6/0 is undefined because division by zero is undefined.
- 61−−√ is an irrational number because the square root of 61 is irrational.
- 0.37815 is a rational number because it can be expressed as the fraction 37815/100000.

Therefore, the rational number from the given options is 0.37815.