Answer:
The approximate value of √n=√61=7.81
Prime number less than or equal to √n=2,3,5,7
Explanation:
The question is incomplete and from the web search it is concluded that we have to find the approximate value of √n and we have to write the list of prime numbers less than or equal to √n.
The approximate value of √n=√61=7.81
Prime number less than or equal to √n=Prime number≤7.81
The prime numbers are those numbers which are divisible by 1 and by itself.
Prime number≤7.81={2,3,5,7}