Answer:
i don't know
Step-by-step explanation:
i need help
Answer:
i think $54.5
Step-by-step explanation:
i did 5 times 40 and 5 times .9
Answer:49.8
Step-by-step explanation:
It's the half of a 90 degree angle
Answer:
The missing value is 128
Step-by-step explanation:
we know that
The equation of the exponential function is of the form

where
a is the initial value (value of the function when the value of x is equal to zero)
b is the base
r is the rate
b=(1+r)
In this problem , looking at the table, we have that the number of bacteria is doubled every second
so

substitute in the formula

where
f(x) is the number of bacteria
x is the time in seconds
For x=4 sec
substitute

