document.write( "Question 860737: if r=-3 and a5= 486 what is the first item in the sequence \n" ); document.write( "
Algebra.Com's Answer #518653 by richwmiller(17219)\"\" \"About 
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Tn = t1 * r^(n - 1)
\n" ); document.write( "486 = t1 * (-3)^(4)
\n" ); document.write( "t1 = 6
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