Question

chapter name is :- square and square roots​

Answer 1

Answer:

5 is the smallest number by which 720 must be multiplied to get a perfect square.

Step-by-step explanation:

Hope its helpful

Answer 2

Answer:

do prime factor of 720

now for examples prime factorisation of a is =2×2×2×2×2×2×2×2×2×2

so there are 5 pair of two

(in one pair two 2 are there)

so 2×2×2×2×2

4×4×2

16×2

32

to Chech the answer is wrong or correct we have to multiply the number from itself

32×32

720