Asked by Adam Abba Aja
The fourth term of an exponential sequence is 108 and the common ratio is 3. Calculate the values of the eight term and the sum of the first five terms of the sequence.
Answers
Answered by
oobleck
a8 = a4 * r^4 = 108 * 3^4 = ____
a = 108/3^3 = 4
S5 = a(r^5-1)/(r-1) = ____
a = 108/3^3 = 4
S5 = a(r^5-1)/(r-1) = ____
Answered by
Adam Abba Aja
Pls can you share me the formula?
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