Mathematics, 15.07.2019 13:30, panpanriser76
Write a rule for a geometric sequence that has -6 as its first term and a common ratio of 2. what is the tenth term of this sequence? a) a(n) = 2 * -6^10-1; -20,155,392 b) a(n) = -6 * 2^n; -6144 c) a(n) = -6 * 2^n-1; -3072 i need this answered asap, you
Answers: 1
, where a sub n is the number term you're looking for (we're looking for the tenth term). a sub 1 is the first term in the sequence (ours is -6), r is the common ratio, and n-1 is the numbered term you're looking for minus 1. Our formula then looks like this: 
. Simplify it to 
. Take 2 to the 9th power then multiply it by -6 to get -3072. C is your answer.
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Write a rule for a geometric sequence that has -6 as its first term and a common ratio of 2. what is...
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