Answer:
A
Step-by-step explanation:
That is the answer to the question.
Answer:b
Step-by-step explanation:
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;

Therefore, the perfect square is 81.
OPTION B is correct.
Answer:
49
Step-by-step explanation: