Geometric series are in the form of
Where a is the first term and r is the common ratio .
And it is given that
r=-3,2
So the first five terms are
= 2-6+18-54+162 or 2+4+8+16+32
= 122 or 62
14,000 acres of 40,000 acre forest burned in a forest fire. What percentage of the forest was damaged?
2 answers:
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