Answer:

Step-by-step explanation:
21 trillion =
21,000,000,000,000 =
21 followed by 12 zeros =

Answer:
Choice A
Step-by-step explanation:
Answer:
w=13
Step-by-step explanation:
You just answered your own question. the answer is 5,250
Answer:
c. 60.9%
Step-by-step explanation:
Given:
The probability P that a person responds to an advertisement can be modeled by the function:

where
represents number of days since the advertisement first appeared.
To find the probability that a person has responded after 20 days.
Solution:
In order to find the probability that a person has responded after 20 days, we will plugin
in the formula given.
We have:

Plugging in 





Thus, probability
after 20 days = 0.6094
The probability in percentage can be given =
= 60.9%