1.

Verify whether 13720 is a perfect cube

Answer»

Answer:

no

Step-by-step explanation:

13720= 1+3+7+2+0=13

13=1+3= 4

this means the digital SUM of given NUMBER= 4

Rule:- digital sum of a PERFECT cube number

should be 1, 8 or 9

therefore this is a NON perfect cube number.



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