Step-by-step explanation:

Answer:
1,687,500,000,000
Step-by-step explanation:
1) 270,000,000 x 6250
-2,-7 because you go the same ammount in the opposite direction
<h3>
Answer: False</h3>
Explanation:
If the sample is biased, then it does not represent the population. A biased sample favors one or more groups over others.
For example, if the sample consisted of only men, then the sample is biased toward men and leaves out women from the group. Hence, this sample does not represent everyone.
Answer:
This might help...
Step-by-step explanation:
To the nearest whole number, what is the percentage increase in volume? Explanation: To find the percentage difference, you merely subtract the start value from the end value and divide by the start.