Audrey deposited $10,000 into a 3-year certificate of deposit that earned 10% annual interest, compounded annually. Audrey made no additional deposits to or withdrawals from the certificate of deposit. What was the value of the certificate of deposit at the end of the 3-year period?


A. $13,000

B. $13,300

C. $13,310

D. $13,401





A. 2 x 10 to the power of negative 28 end exponent

B. 1.3 x 10 to the power of negative 2 end exponent

C. 1.6 x 10 to the power of 10

D. 2 x 10 to the power of 14



If P dollars is invested in a savings account that pays 5% annual interest, compounded continuously, in how many years will the account value be equal to 2 P dollars?


A. In open parentheses 2 to the power of 20 close parentheses years

B. In open parentheses 2 to the power of 5 close parentheses years

C. 10 years

D. 20 years