The population of a Midwestern city decays exponentially. If the population decreased from 900,000 to 800,000 from 2003 to 2005, what will be the population in 2008?

Please help I got 670,422 and the computer marked it round i then tried rounding it to 671000 but it was still wrong! Please help me THank you

6 answers

computer marked it wrong*
the two given population numbers only have one significant digit

either 670000 or 700000 is what the computer is looking for
Its still wrong omg I dont know why
the full solution is in the related questions at the bottom of the page
900000e^5(1/2ln(1/8)
This is ithe answer if you were wondering lmao who would have known
can someone explain step by step how to do this