Answer:
a) true
Step-by-step explanation:
The bottom-line numbers from synthetic division <em>alternate signs</em>, indicating that -2 is a lower bound. The given statement is true.
__
If the signs were all positive, it would indicate the proposed zero is an <em>upper bound</em>.
__
A graph shows all real zeros are greater than -2.
Answer:
The cost of per kilogram of salami is = $9.1
Step-by-step explanation:
Given:
Hailey paid $13 for
kg of sliced salami.
To find cost per kilogram of salami.
Solution:
We will apply unitary method to find per kilogram cost of salami.
If
kg of salami costs = $13
Then 1 kg of salami will cost in dollars will be = 
In order to divide by mixed numbers, we will convert mixed numbers to fractions.
⇒ 
⇒ 
In order to divide by fractions we will take reciprocal of divisor and then multiply.
⇒ 
⇒ 
⇒ 
⇒ 
Thus, cost of per kilogram of salami is = $9.1
Answer:
The number of bacteria in 0.25 mL is 6.25 x 10^3.
Step-by-step explanation:
5 liter flask contains 1.25 x 10^8 bacteria.
So, 1liter flask contains = 
Now
0.25 mL contains = 