1. if a car depreciates at 15% per year, how long until it is worth half its original value?
2. led zepellin once played a concert with exerted sounds of 10 000 times the intensity of a sound that can just be heard. what is the loudness in decibels?
Originally Posted by s_ingram
Why do you have y-1 as the exponent is your equation. By doing that, if you let y=1 which would be 1 year, your formula would just yield A, meaning no depreciation took place
your right, it should just by y not y-1. That's the problem when you try answering questions at 2.00 am! Thanks for the correction.