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Now for
some population stuff:
The world's
population in 1950
was 2,555,982,611.
In 1970,
it was 3,706,601,448.
Find the rate of growth.
* Remember our
population equation:
Set it up:
What about
predicting?
Can you predict what
the world's population will be in
2050?
|
Let's use the 1950
figure for our |
 |
: |
And we can use the growth rate we just found:
1950 to
2050
gives us
t
= 100...
Grab a
calculator!
So, we predict that there will
be 16,392,546,229
people on earth in 2050.
Continued on the
next
page
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