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A 3-digit number xyz is squared, which of the following could be the last digit of the square?

Question

A 3-digit number xyz is squared, which of the following could be the last digit of the square?
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Solution 1

The last digit of a square of a number depends on the last digit of the original number. Here are the possibilities:

  • If the last digit of the original number is 0, 1, 5, or 6, the last digit of the square will be the same (0, 1, 5, or 6 respectively).
  • If the last digit of the original number is Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
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