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15 June, 03:07

14th term of geometric sequence 10,20,40

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  1. 15 June, 03:57
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    Answer: 81920

    Explanation: The general formula for nth term in a geometric sequence is an=a1*r^ (n-1), where a1 is the first term, r is the common ratio, and n is the position in the term (in this case 14).

    To find the common ratio, we can simply divide the next term after the first (20/2=10).

    So, an=10*2^ (14-1).

    After doing the parentheses and multiplication, we have 20^13, which is 81920.
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