23, because it is a prime number and therefore cannot be simplified enough to take outside of the square root.
Answer:

Step-by-step explanation:
Given:

This reads as: 256 to the power of "-4 to the power of 3/2".
Therefore, we need to deal with the "-4 to the power of 3/2" first.
Rewrite the 4 as 2²:




Therefore:

Replace "-4 to the power of 3/2" with -8 :

Rewrite 256 as 2⁸ :




In one complete calculation:

Learn more about exponent rules here:
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Answer: B
Step-by-step explanation:
I did the quiz
Answer:
The one that ends with jointly!
Step-by-step explanation: