Question

For each of the following numbers find the smallest whole number by which it should be divied so as to get a perfect square number. also find the square root of the square number so obtained:-
a) 369
b)2800
c)1620
URGENT​

Answer 1

Answer:

1. 369÷3=123 ÷3 =41 ÷41 =1

369 = 3×3×41

368÷41 = 9

root of 9 is 3.

2. 2800÷2=1400÷2 =700 ÷2 =350 ÷2 = 175 ÷5 = 35÷5 = 7 ÷7 =1

2800=2×2×2×2×5×5×7

2809÷7=400

root of 400 is 20.

3. 1620÷2 = 810÷2 = 405 ÷5 =81 ÷ 3 = 27 ÷3 = 9 ÷ 3 = 3 ÷ 3 =1

1620 = 2×2×5×3×3×3×3

1620÷5 =324

root of 324 = 18

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