Which is the same as moving the decimal point three places to the right in a decimal number?
a. multiplying the number by 1,000
b. dividing the number by 100
c. diving the number by 1,000
d. multiplying the number by 100

Question and answers are in the attached picture. you so much in advance.

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

Sketch one cycle if the cosine function y=2cos2theta