Which expressions are equivalent to 6^16? Check all that apply.

Answer: (6^-4)^-4 , (6^-2)^-8, (6^8)^2
Step-by-step explanation:
When there is a number with an exponent in a parenthesis raised to another exponent, you multiply the two exponents together. So, in this case we are looking for 2 exponents that give us a product of 16.