## College Algebra 7th Edition

a. $10$ is a whole number so it's an integer. b. $\frac{16}{3}$ is able to be written as a simple fraction so it is a rational number. c. $5^{2} = 25$, and $25$ is a whole number so it's an integer. d. $\sqrt 5$ cannot be written as a simple fraction so it is an irrational number.