Problem 1 (a) The code to a school security door is a five-digit number. The digits are ordered from highest to lowest and their product is 336. If you know the sum of the digits, you will not have enough information to work out the code. What is the sum of the digits? (b) Another security code has five digits ordered from lowest to highest with product 168. Will knowing the sum of the digits be enough to work out this code? Explain