The population of Ohio will be 10 million in the year 1970
The population growth of Ohio is represented by the function:

P is the population in millions
t is the number of years since 1900
To find the year that the population of Ohio will be 10 million, substitute P = 10 into the function P(t) and solve for t

t = 70 years (to the nearest whole number)
70 years after 1900 will be 1970
Therefore, the population of Ohio will be 10 million in the year 1970
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Solving the equation
we get 
Step-by-step explanation:
We need to solve the equation
and find value of x
Solving:

So, solving the equation
we get 
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Answer:
-22%
Step-by-step explanation:
The percent decrease can be found by subtracting the original amount from the sale price. Divide the result by the original price and multiplying the decimal by 100 for the percent.
670.80 - 860 = -189.2
-189.2/860 = -0.22
-0.22*100 = -22%
Answer:
£13,819 to the nearest pound is still £13,819.