1. $\phantom{a}$
1. $A=\text{find}\hspace{0.25in} P=\500\hspace{0.25in} r=0.04\hspace{0.25in} n=1 \hspace{0.25in} t=10$
$\begin{array}[t]{rrl} A&=&500\left(1+\dfrac{0.04}{1}\right)^{10} \\ \\ A&=&500(1.04)^{10} \\ \\ A&=&\740.12 \end{array}$
2. $A=\text{find}\hspace{0.25in} P=\600\hspace{0.25in} r=0.06\hspace{0.25in} n=1 \hspace{0.25in} t=6$
$\begin{array}[t]{rrl} A&=&600\left(1+\dfrac{0.06}{1}\right)^6 \\ \\ A&=&600(1.06)^6 \\ \\ A&=&\851.11 \end{array}$
3. $A=\text{find}\hspace{0.25in} P=\750\hspace{0.25in} r=0.03\hspace{0.25in} n=1 \hspace{0.25in} t=8$
$\begin{array}[t]{rrl} A&=&750\left(1+\dfrac{0.03}{1}\right)^8 \\ \\ A&=&750(1.03)^8 \\ \\ A&=&\950.08 \end{array}$
4. $A=\text{find}\hspace{0.25in} P=\1500\hspace{0.25in} r=0.04\hspace{0.25in} n=2 \hspace{0.25in} t=7$
$\begin{array}[t]{rrl} A&=&1500\left(1+\dfrac{0.04}{2}\right)^{14} \\ \\ A&=&1500(1.02)^{14} \\ \\ A&=&\1979.22 \end{array}$
5. $A=\text{find}\hspace{0.25in} P=\900\hspace{0.25in} r=0.06\hspace{0.25in} n=2 \hspace{0.25in} t=5$
$\begin{array}[t]{rrl} A&=&900\left(1+\dfrac{0.06}{2}\right)^{10} \\ \\ A&=&900(1.03)^{10} \\ \\ A&=&\1209.52 \end{array}$
6. $A=\text{find}\hspace{0.25in} P=\950\hspace{0.25in} r=0.04\hspace{0.25in} n=2 \hspace{0.25in} t=12$
$\begin{array}[t]{rrl} A&=&950\left(1+\dfrac{0.04}{2}\right)^{24} \\ \\ A&=&950(1.02)^{24} \\ \\ A&=&\1528.02 \end{array}$
7. $A=\text{find}\hspace{0.25in} P=\2000\hspace{0.25in} r=0.05\hspace{0.25in} n=4 \hspace{0.25in} t=6$
$\begin{array}[t]{rrl} A&=&2000\left(1+\dfrac{0.05}{4}\right)^{24} \\ \\ A&=&2000(1.0125)^{24} \\ \\ A&=&\2694.70 \end{array}$
8. $A=\text{find}\hspace{0.25in} P=\2250\hspace{0.25in} r=0.04\hspace{0.25in} n=4 \hspace{0.25in} t=9$
$\begin{array}[t]{rrl} A&=&2250\left(1+\dfrac{0.04}{4}\right)^{36} \\ \\ A&=&2250(1.01)^{36} \\ \\ A&=&\3219.23 \end{array}$
9. $A=\text{find}\hspace{0.25in} P=\3500\hspace{0.25in} r=0.06\hspace{0.25in} n=4 \hspace{0.25in} t=12$
$\begin{array}[t]{rrl} A&=&3500\left(1+\dfrac{0.06}{4}\right)^{48} \\ \\ A&=&3500(1.015)^{48} \\ \\ A&=&\7152.17 \end{array}$
2. $A=\10,000\left(1+\dfrac{0.04}{4}\right)^{40}$
$\begin{array}[t]{rrl} A&=&\10,000(1.01)^{40} \\ \\ A&=&\14,888.64 \end{array}$
3. $A=\27,500\left(1+\dfrac{0.06}{12}\right)^{12(9)}$
$\begin{array}[t]{rrl} A&=&\27,500(1.005)^{108} \\ \\ A&=&\47,126.74 \end{array}$
4. $A=\55,000\left(1+\dfrac{0.10}{12}\right)^{18}$
$\begin{array}[t]{rrl} A&=&\55,000(1.008\bar{3})^{18} \\ \\ A&=&\63,861.18 \end{array}$
5. $\20,000=P\left(1+\dfrac{0.06}{2}\right)^{10}$
$\begin{array}[t]{rrl} P&=&\dfrac{\20,000}{(1.03)^{10}} \\ \\ P&=&\14,881.88 \end{array}$
6. $\4200=P\left(1+\dfrac{0.04}{4}\right)^{4(5)}$
$\begin{array}[t]{rrl} P&=&\dfrac{\4200}{(1.01)^{20}} \\ \\ P&=&\3442.09 \end{array}$