$[-/0\mathrm{.}83$ Points$]$

$$ TAMUBUSMATH $6\mathrm{.}1\mathrm{.}005.0/6$ Submissions Used

If $$2,000$ invested in a bank account for $9$ years, compounded quarterly, amounts to $$2,751\mathrm{.}45,$ what is the annual interest rate paid by the account? Round your answer to four decimal places, after writing the rate as a percentage.

The annual interest rate paid by the account is $\%.$

$5.[-/0\mathrm{.}83$ Points$]$

$$ TAMUBUSMATH $6\mathrm{.}1\mathrm{.}022.0/6$ Submissions Used

At what annual interest rate $($as a percent$),$ compounded continuously, do you need to invest at in order to triple an investment in $15$ years? $($Round your answer to four decimal places.$)\%$

$-$

$$

$6.[-/0\mathrm{.}83$ Points$]$

$$ TAMUBUSMATH $6\mathrm{.}1\mathrm{.}009.\frac{0}{6}$ Submissions Used

You are told the effective interest rate on an account is $1\mathrm{.}8\%,$ if the interest is compounded continuously. What is the annual percentage rate for the account? Give your answer to four decimal places.

The annual percentage rate is $\%.$