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m_a_m_a [10]
1 year ago
9

Which is a perfect square?A:72B:81C:90D:99

Mathematics
1 answer:
erik [133]1 year ago
5 0

Solution:

A perfect square is a number that can be expressed as the product of an integer by itself or as the second exponent of an integer.

Hence, the number that can be expressed as a product of an integer by itself is;

81=9^2=9\times9

Therefore, the perfect square is 81.

OPTION B is correct.

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