Write the Word or Phrase That Best Completes Each Statement $\mathrm { P } = \mathrm { Ie } \mathrm { kt }$

Multiple Choice

Write the word or phrase that best completes each statement or answers the question.
-Use the formula $\mathrm { P } = \mathrm { Ie } \mathrm { kt }$ . A bacterial culture has an initial population of 10,000 . If its population declines to 4000 in 2 hours, what will it be at the end of 4 hours?

A) 800
B) 6325
C) 3000
D) 1600