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04-07-2016
Mathematics

contestada

what is the 68th term of sequence -8.6,-7.2,-5.8,-4.4,

Respuesta :

Hussain514 Hussain514

04-07-2016

its an arithmetic sequence with common difference 1.4
general term is given by an = a1 + ( n − 1 ) d
n=68
an = -8.6 + ( 68 − 1 ) 1.4
an = 85.2

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