Math  /  Numbers & Operations

QuestionJohn likes 400 but not 300 ; he likes 100 but not 99 ; he likes 2500 but not 2400 . Which does he like? 800 1800 900 200

Studdy Solution
Apply the pattern to the given options: - Check if each number is a perfect square: - 800800 is not a perfect square. - 18001800 is not a perfect square. - 900=302900 = 30^2 is a perfect square. - 200200 is not a perfect square.
The number John likes is:
900\boxed{900}

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