Question

5) Is 1620 a perfect square number? If not then find the smallest multiple of 1620 which makes it a perfect square. Find the square root of new number.​

Answer 1

Answer:

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Step-by-step explanation:

Given number = 1620

Using prime factorization  

1620=2×2×5×9×9

If above no. is multiplied by 5, then it will be a perfect square.

1620×5=8100  

​And, square of 8100 = 90.