Question Status :

$1.$

$V$

$3$

$2$

$4?$

$5$

$\sqrt[\phantom{2}]{?}$

$6$

$\sqrt[\phantom{2}]{?}$

$7?$

$8$

$?$

$10?$

$10$:$33$ PM

You may attempt this question $3$ more times for credit.

What principal is needed to accumulate $$4390\mathrm{.}00$ in $8$ years at $4\mathrm{.}20\%$ interest compounded semiannually?

Do not use dollar signs or commas in your answer. Include two decimals in your answer.