563 is the answer to your question
Plugging 10 for k in the expression gives us

We simplify this expression to
251 is your answer
Let find the least of common multiple = LCM it’s for the denominators.
Multiple of the numerator then the denominator to get the denominators
Don’t forget to to add the numerator but leave the denominators the same
Answer:
no its not
Step-by-step explanation: