Question

prove that 71498 is a perfect square​

Answer 1

Step-by-step explanation:

Examine both the units digits and the digital roots of perfect squares to help determine whether or not a given number is a perfect square. As we know a perfect square can only end in a 0, 1, 4, 5, 6, or 9; this should allow us to determine whether the first of our numbers is a perfect square.

now you find yourself

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do it!