Rational number is something that does not have a decimal number going to infinity or something that can be written as a fraction
21.192 can be written as 21 192/1000 so yes its rational
i.e. √2 goes on forever and cannot be written as a fraction. so no it is not rational. it is irrational just like π.
Hope this helps :P
Answer:
Yes
Step-by-step explanation:

If we say u = √n, then:

This is a geometric series. Since |1/e| < 1, the series converges.
Answer:what's the question?
Step-by-step explanation:
Answer:
A 1/6
Step-by-step explanation:
i got this because if you add all the marbles it is 12 so the real percentage would be 3/12 but they divided it by 2 to get 1/6