Question

1)
Find the smallest number by which 980 should be multiplied to make it
perfect square.​

Answer 1

Answer:

5

Step-by-step explanation:

Factors of 980 are 2² * 7² * 5

Thus in order for this number to be perfect square, we should have factors as 2² * 7² * 5² = 4900.

Thus the smallest number that should be multiplied is 5.