The general equation for exponential growth can be written as:
where r is the growth rate.
Plugging in the given values, we get:
Therefore
giving
The predicted number of bacteria after 17 hours is given by:
4
-∛64 means that x³= 64
4 x 4 x 4= 64
-x + 1/2 = x + 4 1/2
+x +x
1/2 = 2x + 4 1/2
-4 1/2 - 4 1/2
-4 = 2x
x = -2
To find the circumference of a circle that lists only as a diameter, you would do pi*d so lets say the diameter is 6, you would do pi*6 which would end up giving you 18.84. I hope this helps a bit! (: