document.write( "Question 93775This question is from textbook
\n" ); document.write( ": Find the sum of the first five terms of the series
\n" ); document.write( "1 + 8 + 64 + 512 + ....... \n" ); document.write( "

Algebra.Com's Answer #68307 by Nate(3500) $\"\"$ $\"About$

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This is a geometric series ... 1 x 8 = 8 ... 8 x 8 = 64 ... and so forth
\n" ); document.write( "Sum = a(1 - r^n)/(1 - r) where: r is the rate, a is the first term, and n is the number of terms
\n" ); document.write( "Sum = (1 - 8^5)/(1 - 8) = -32,767/-7 = 4,681 \n" ); document.write( "

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