Which of the following is a rational number?
To determine whether a number is rational, we need to check if it can be expressed as a ratio of two integers. The following cannot be expressed as a ratio of two integers: pi. Hence, there are no rational numbers among the choices given.
To determine which of the following is a rational number, we need to understand what a rational number is.
A rational number is any number that can be expressed as a fraction, where the numerator and denominator are both integers and the denominator is not zero.
Now, let's look at the options you have provided to determine which ones are rational numbers. Can you provide the options?