rebeccamcansler rebeccamcansler

16-12-2018
Mathematics

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write an equation for the nth term of the geometric sequence 5, 10, 20, 40

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ChinjeolhanYeonghon ChinjeolhanYeonghon

16-12-2018

First term: 5
Factor by which next term is found : 2
term= 5*2^(n-1)
Check: for the fourth term, 5*2^(4-1)=40

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