in 1990 there were about 5.4 billion people in the world. if the population has been growing at 1.95% per year, estimate the yea
r when the population will be 8 billion people
1 answer:
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.
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ok thanks for ur care my friend have a wonderful day