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Mathematics 12 Online
flep:

Which‌ ‌of‌ ‌the‌ ‌following‌ ‌is‌ ‌a‌ ‌perfect‌ ‌square number:‌ ‌169,‌ ‌23 or‌ ‌78‌ ?

AZ:

A perfect square is a number that you get when you multiply the same number by itself So for example, 16 is a perfect square because 4 * 4 = 16 Similarly, 25 is a perfect square because 5 * 5 = 25 And so on. So which of those three numbers is a perfect square?

flep:

169

AZ:

That's correct!

flep:

sorry forthe late reply

flep:

thank you

AZ:

You're welcome

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