math

posted by .

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

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math

    the 12th term in a geometric sequence is 49, and the 14th term is 2401 . Find the 15th term
  2. math

    The 65th therm in a geometric sequence is 8000, and the 69th term is 500, find the 64th term using the geometric series sum formula
  3. Math

    A sequence is formed by adding together the corresponding terms of a geometric sequence and and an arithmetic sequence.The common ratio of the geometric sequence is 2 and the common difference of the arithmetic sequence is 2.The first …
  4. math

    The first term of a geometric sequence is -2 and the common ratio is 3. What is the 12th term of the sequence?
  5. Math

    1. Find the 12th term of the arithmetic sequence 2, 6, 10, … . 2. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3. 3. In the sequence 2, 6, 10, … , what term has a value of 106?
  6. Math

    1. What is the tenth term of the geometric sequence whose first term (a1) is 16 and the common ratio (r) is –½?
  7. Math

    1. Find the 11th term of the geometric sequence 64, -32, 16, -8, … . 2. Find the 1st term of a geometric sequence with a 10th term -1024 and r = -2. 3. Find the sum of each infinite geometric series, if possible. a. 10 + 2 + 2/5 …
  8. arithmetic

    Determining the first three terms of an ArithmetiC progressionof which the (a.)10th term is 31 and the 15th term is 49 (b.)7th term is 3 and 12th term is -3 (c.)5th term is 8 and the 11th term is -28 (d.)9th term is7+9x and d=2x,Show …
  9. Algebra

    I am so lost on these problems. Write a geometric sequence that starts with 3 and has a common ratio of 5. What is the 23rd term in the sequence. Write an arithmetic sequence that has a common difference of 4 and the eighth term is …
  10. algebra1

    Which of the following functions represents a geometric sequence?

More Similar Questions