# math

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he 12th term in a geometric sequence is 49 and the 14th therm is 2401, find the 15th term

• math -

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 -

How do I round 2, 761 to the nearest hunderths

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