Are all terminating and repeating decimals rational numbers? Explain.

Responses

yes; These decimals can be written as ab where a and b are integers and b≠0.
yes; These decimals can be written as A over b where A and b are integers and b is not equal to 0.

yes; All decimals are rational numbers.
yes; All decimals are rational numbers.

no; Repeating decimals are irrational numbers.
no; Repeating decimals are irrational numbers.

no; All decimals are irrational numbers.