Question 448105
Hint: Use the formula {{{A=Pe^(rt)}}} where A is the amount in the account after 't' years where you originally invested P dollars at a rate of 100r percent. 



So in this case, P=200, r = 0.1 (note: 10% is 0.1 in decimal form), and t = 10



Note: the term 'e' is not a variable. It is the number 2.71828182846...