I need to evaluate the limit and show the work for the question.

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys