WeBWorK using host: https://webwork-ptx.aimath.org, format: simple seed: 108

Part 1:

A population of 400 bacteria increases by [math] every hour.
For each hour that passes, we multiply by the growth factor. This gives us the percent change at the end of each hour [math] etc.
Identify the growth factor [math] associated with the given percent increase.
[math]