21 is a rational number because it is an integer, which can be converted into a fraction.
<u>Step-by-step explanation:</u>
When a denominater and numerator are integers and gives a quotient then it is a rational number.
21/1, where 21 is denominator and 1 is numerator the quotient is 21. Therefore 21 is a rational number which can also be considered as a ratio.
I am not sure if you have any choices. Here are some options:
0.17333333333
This is also notated by .1733 with a line over the top of the two 3's indicating that these number continue repeating.
Other choices depending on your instructions...
.173 (if rounded to thousanths)
.17 (if rounded to hundreths)
.2 (if rounded to tenths)
Answer:
18
Step-by-step explanation:
median is the number in the middle of the set of numbers
A. They are symmetric about y=x