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OpenStudy (anonymous):
Sigma Notation! PLEASE ANYONE HELP FAST!!
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OpenStudy (anonymous):
Evaluate the summation of 2 times negative 2 to the n minus 1 power, from n equals 1 to 7.. −256 −84 84 86 I dunno how to make it into an equation...
OpenStudy (anonymous):
@Abhisar @AnswerMyQuestions @Compassionate @kristyn-whitaker @mathmath333
OpenStudy (johnweldon1993):
\[\large \sum_{1}^{7}2\times -2^{n-1}\] is it like that...or is the whole thing to the n-1 power?
OpenStudy (anonymous):
|dw:1416231280252:dw| Like that...
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