Question

The number of bacteria in a petri dish is multiplied by a factor of 1.2 every hour. There were initially 500
bacteria.
Which expression gives the number of bacteria after 3 hours?

Answer 1

Answer:

(1.2×3)500

Step-by-step explanation:

the 1.2 factor will be multiplied by the hours given then times that by the starting amount of bacteria.

Answer 2

Answer: its 500.1.2.1.2.1.2

Step-by-step explanation: I got it