Solve using geometric series
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Solve using geometric series
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Answer:
209,715,200
step-by-step explanation
First,find an:
solution:
n=25
a1=1
r=2
an=a1r^n-1
an=1(2)^25-1
an=1(2)^24
an=16,777,216
Find the sun using the formula Sn=n/2(a1+an)
Sn=25/2(1+16,777,216)
Sn=25/2(16,777,217)
Sn=209,715,200
Thus,the billionaire donated 209,715,200 centavos.