Answer:
y = 2^6 bacteria on Saturday
y = 64 bacteria
Step-by-step explanation:
The formula for exponential growth is
y = a b^x
where
y = a is the initial value and b is the growth rate
y = 2 *2^x
Monday is day 0
So Saturday is Day 5
y = 2 * 2^5
y = 2 * 32
y =64
y = 2^6 bacteria
There are 64 bacteria on Saturday
We can simplify the formula since the initial value and the growth rate are the same
y = 2 * 2^x
We know a^b * a^ c = a^ (b+c)
y = 2^1 * 2^x
= 2^ (x+1)
= 2 ^ (5+1)
= 2^6
= 2*2*2*2*2*2
=64 bacteria
