is: (a) an integer (b) a rational number (c) an irrational number (d) a natural number
a rational number
Given is ,
is a rational number because it is a terminating decimal.
Note: Terminating decimal numbers has a finite number of digits after the decimal point.
A number with a terminating decimal is always a rational number. If the denominator of a rational number can be expressed in form or or , where , then the decimal expansion of the rational number terminates.
Hence, the correct option is (b).