Answer
A $\approx$ 834
Work Step by Step
Use the compound interest formula : A=P(1 +$\frac{r}{n}$$)^{nt}$
P=500
R=5.25%=0.0525
N=1(annually)
T=10 years
Substitute:
A=500(1 +$\frac{0.0525}{1}$$)^{1(10)}$ -simplify-
A=500 (1.0525$)^{10}$ -evaluate
A $\approx$ 834
The answer is $834.