Can decimals such as 0.23 and 0.9 be rational numbers?

1 Answer
May 2, 2018

Answer:

Yes, #0.23# and #0.9# are rational numbers.

#0.23=23/100#

#0.9=9/10#

Explanation:

Since both #0.23# and #0.9# fulfills:

"In mathematics, a rational number is any number that can be expressed as the quotient or fraction #p/q# of two integers, a numerator p and a non-zero denominator q."

From source:
Rosen, Kenneth (2007). Discrete Mathematics and its Applications (6th ed.). New York, NY: McGraw-Hill. pp. 105, 158–160. ISBN 978-0-07-288008-3