Question

Arithmetic and Geometric Sequences

Dec 20,5:40:14 PM
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The first three terms of a sequence are given. Round to the nearest thousandth (if
necessary).
312, 306, 300, ...
Find the 47th term.
Answer:
Submit Answer

Answer 1

36

Explanation:

Givens

a = 312

d = -6

n = 47

Formula

L_n = a + (n - 1)*d

Solution

L_n = 312 + (47 - 1) * -6

L_n = 312 + 46*(-6)

L_n = 312 - 276

L_47 = 36