Question

what is the unit digit of the number if its square ends in 6
with solutions ​

Answer 1

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Step-by-step explanation:

Since the given number has its unit's place digit as 0, its square will have two zeroes at the end. Therefore, the unit digit of the square of the given number is 0. Since the given number has its unit's place digit as 6, its square will end with the unit digit of the multiplication (6 × 6 = 36) i.e., 6.