Answer
0.75
Explaination
(-2)^3*(-2)^7*9/3*4^6
(-2*-2*-2*)*(-2*-2*-2*-2*-2*-2*-2)*9/3*(4*4*4*4*4*4)
(-8)*(-128)*9/3*4096
9216/12288
0.75
This question may have another answer as some brackets are missing if we do according to the given format the answer is
9,437,184