Answer:
2011
Step-by-step explanation:
Here is the formula.

A = Final Value
P = Starting Value
R = Rate
N = Time in Years
A = 8,000,000,000
P = 5,400,000,000
R = 0.0195
N = Time in Years
Solve for n.
20.35 Years from 1990; so sometime in 2011 the population would be 8 billion.
Answer:
I need help with this too
Step-by-step explanation:
3+a/2-6b in a couple weeks ago I have a couple things to say I don’t have a problem I just saw you I don’t know how to say hi I don’t have any money for that I just don’t know how to get a hold of me because I’m going out of the house to do a job I have a couple things to go and then I’m gonna be there for you and then you have a couple things that you want me to go out with your dad if not I’m done I just don’t do that you know that I’m going out of my money to do it I just want you know what
Answer:
B
Step-by-step explanation:
use the exponent rule of division: you just subtract the exponents if the base is the same, so 4-8=-4