What is the square root of 64y16?
6 OF
O 4y4
4y8
8y4
O
O 8y8

√(64y^16)

= √64 √(y^16)

= 8 √(y^16)

Using the Radical Rule of exponents:
(n√a^m) = a^(m/n)

= 8•y^(16/2)

= 8y^8

Therefore, the correct answer is 8y^8.

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