Which expressions below equal a rational number? Choose all that apply.
2 answers:
Answer:
All are rational numbers.
Step-by-step explanation:
A rational number can be written in the form:
where a and b are integers and b≠0.
We can rewrite 136 as
hence 136 is a rational number.
715-245=470....is an integer and hence a rational number.
(47)(217)=10199....which is an integer, and all integers are rational numbers.
15 is also an integer and hence an integer.
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