Question

What will be unit digit of (528)^2

Answer 1

$8^2=64$ so $(528)^2 =\ldots 4$

So it's 4.

Answer 2

Answer:

4

Step-by-step explanation:

528²

⇒528×528

528

×528

278784⇒last digit is 4

∴ last digit is unit digit in whole numbers, so unit digit is 4

this is because,

8×8 (unit digit of first number×unit digit of second number is 8×8=64)

∵ unit digit of 8×8 is 4

Hope you understand...