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BaLLatris [955]
3 years ago
13

Find an explicit formula for the sequence 30\,,\,150\,,\,750\,,\,3750,...30,150,750,3750,...30, space, comma, space, 150, space,

comma, space, 750, space, comma, space, 3750, comma, point, point, point.
Mathematics
1 answer:
OverLord2011 [107]3 years ago
3 0
The series shown is an geometric series and the explicit formula is given by:
an=ar^(n-1)
where
a=first term
n=number of terms
r=common ratio
from the sequence:
a=30
r=5
thus the explicit formula will be:
an=30(5)^(n-1)
hence the answer is:
an=30(5)^(n-1)
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