SOLUTION: In 1975 the population of the Earth was approximately 4 billion and doubling every 35 years. The formula for the population P in year Y for this doubling rate is P(in billions)=4 X

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: In 1975 the population of the Earth was approximately 4 billion and doubling every 35 years. The formula for the population P in year Y for this doubling rate is P(in billions)=4 X      Log On


   



Question 91800: In 1975 the population of the Earth was approximately 4 billion and doubling every 35 years. The formula for the population P in year Y for this doubling rate is P(in billions)=4 X 2^(y-1975)/35

Social Science:WHat will the population of the United States be in 2025 if this growth rate continues?

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
P=4(2^((2025-1975)/35) ... P=4(2^(50/35)) ... P=4(2^(10/7)) ...P=4(2.69) ... P=10.76