Answer:
9
Step-by-step explanation:
Add everything up then 30-21=9
Pls give brainliest
Answer:
11505 bacteria
Step-by-step explanation:
Given :
The bacteria in a certain culture triples every 7.7 hours. The culture has 6,500 bacteria at the start .
As per the exponential growth , we have
Here ,
is starting number of bacteria
R is rate at which number of bacteria increases
T is time elapsed
P is one period of rate
On putting these values in formula , we get
So, the culture will contain 11505 bacteria after four hours .
Answer:
<h2>9(2n + 1) = 18n + 9</h2>
Step-by-step explanation:
9(2n + 1)
<em>use the distributive property a(b + c) = ab + ac</em>
= (9)(2n) + (9)(1) = 18n + 9
Answer:
4th set
Step-by-step explanation:
Whole numbers are integers. Integers are any unmber that doesn't have a fraction, decimal, or square root (ex. -3, -2, -1, 0, 1, 2, 3). The only set that has these kinds of numbers is the fourth set.
Answer:
z4/x3y2
Step-by-step explanation:
apply the product to a power rule
power rule
negative exponents