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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