Answer :
Answer: Only 16
Step-by-step explanation:
The square roots of 5 & 20 are long decimals.
The square root of 49 is 7 but 7 has a decimal square root.
The square root of 16 is 4, 4 is 2 squared.
So 16 is a perfect square.
Answer: Only 16
Step-by-step explanation:
The square roots of 5 & 20 are long decimals.
The square root of 49 is 7 but 7 has a decimal square root.
The square root of 16 is 4, 4 is 2 squared.
So 16 is a perfect square.