An example of perfect number is _____________ (a) 28 (b) 10 (c) 8 (d) 12
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Answer:
10 is the example of perfect square
Root 100= 10
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Step-by-step explanation:
28
factor of 28 = 1, 2, 4, 7, 14, 28
1 + 2 + 4 + 7 + 14 + 28 = 56
sum of the factor is equal to twice of the number
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