To solve this problem you must apply the proccedure shown below: 1- You have the following expression given in the problem above <span>2^4x2^-7 2- You can find and equivalent expression as following: The negative exponent indicates that 2^7 must be in the denominator: </span><span> =</span><span>2^4/2^7 </span> 3- By simplifying, you obtain: =1/2^3 =1/8 Therefore, the answer is: 1/8