nswer the following questions using what you've learned from this unit. Write your responses in the space provided. 1. Check all correct answers (there may be more than one). (2 points) In the expression ab, _____A. The value b is an exponent. _____B. The value a tells you how many times to multiply b by itself. _____C. The value a must be > 1. _____D. The value b tells you how many times to multiply a by itself. _____E. The value b must be an integer.