Posted by Heather on Sunday, December 18, 2011 at 2:26pm.
he 12th term in a geometric sequence is 49 and the 14th therm is 2401, find the 15th term

math  drwls, Sunday, December 18, 2011 at 3:38pm
Assume a(n) = C*b^n
a(12) = C*b^12 = 49
a(14) = C*b^14 = 2401
b^2 = 29 b = 7
C = 49/b^12 = 3.54*10^9
a(15) = 2401*7 = _____

math  geometry  Rida, Saturday, December 24, 2011 at 12:03pm
How do I round 2, 761 to the nearest hunderths
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