is the number 0.045 a rational number? use th...

is the number 0.045 a rational number? use the drop - down menus to explain. click the arrows to choose an answer from each menu. the number 0.045 is a choose... decimal, which means it choose... be expressed as a fraction. so, 0.045 choose... a rational number.

Answer

# Brief Explanations: A rational number can be written as a fraction $\frac{a}{b}$ where $a$ and $b$ are integers and $b\neq0$. The decimal 0.045 is a terminating decimal. Terminating decimals can be converted to fractions. For 0.045, we have $0.045=\frac{45}{1000}=\frac{9}{200}$, where 9 and 200 are integers. # Answer: The number 0.045 is a terminating decimal, which means it can be expressed as a fraction. So, 0.045 is a rational number.