23/3
well we know that 3 times 7 is 21 so the answer is about 7 and 2/3 or 7.666666
(2/3is about 66/100)
to show your work, you use long division which I am not able to show here
Answer: No it is not.
Step-by-step explanation: A rational number is a number that can easily be expressed as a fraction or decimal, and square root of 7 cannot be easily expressed.