At what annual interest rate, compounded annually, would

$520

have to be invested for it to grow to

$1,977.54

in

13

years?

Question content area bottom

Part 1

The annual interest rate, compounded annually, at which

$520

must be invested for it to grow to

$1,977.54

in

13

years is

enter your response here%.

(Round to two decimal places.)