Answer:
768
Step-by-step explanation:
First, think about the order of operations.
Since there is an exponent in the equation, that's the first thing you do.
4 times 4 times 4 times 4
4 times 4 = 16
16 times 4 = 64
64 times 4 = 256
Now, you're left with 3(256)
3 times 256 = 768
