Respuesta :
bacteria left in 1st hour=100*0.9¹=90
2st hour=100*0.9*0.9=100*0.9²
....
after 5 hours=100*0.9^5
2st hour=100*0.9*0.9=100*0.9²
....
after 5 hours=100*0.9^5
Answer:Dr. Jimenez found that after applying an antibiotic to bacteria, he observed only 90% of the bacteria left in the culture dish each hour. If the initial bacteria count was 100, what was the bacteria count after 5 hours? Round to the nearest whole number.
There were ⇒ 59 bacteria after 5 hours.
Step-by-step explanation: