Test 5.1-5.2) Directions: Use properties of exponents to answer all parts of each question. You must show your work to receive credit. The use of cellphones or other electronic devices is strictly prohibited. If you are caught using cellphone or electronic device, your test score will result in an automatic zero. No exceptions, 1. Rationalize the denominator. Write your answer in simplest form. 31-2 2. Write the expression in simplest form. 256x12 3. Perform each indicated operation. Write your answer in simplest form.