1. 2. The volume of an ice cube is 16 000 mm. The exact length of each edge of the ice cube can be written in simplest mixed radical form as pa where p and q are whole numbers. Determine the length of one edge of the cube. (3 marks) Determine an equivalent expression by rationalizing the denominator: 53 4- 6 (5 marks) Write each entire radical as a mixed radical. Final answer only. Do not rationalize any denominators. 1. 3 -375 3. -39a For which values of the variable is the radical defined? Final answer only. 5. Simplify the following: 2. 490 72 3-81 500 4. -15x Final answer only.