$1)$ T or F$,$ In the geometric sequence $2,4,8,16,...$ the common ratio is $2.$

$2)$ T or F$,$ An annuity due has the periodic payments made at the beginning of each period.

$3)$ T or F$,$ Compounding interest every second is the same as compounding interest continuously. $4)$ T or F$,$ If you deposit $$100$ into an account that yields $10\%$ annual simple interest, it will take $10$ years for your money to double.