4 years ago

Week 31: Geometric Sequences and Exponential Functions

Mathematics

1 answer:

astraxan [27]4 years ago

4 0

Answer:

$400.

Step-by-step explanation:

This is a Geometric sequence with first term 3,200 and common ratio 1/2.

The nth term = a1 r^(n-1),

so the 4th term is 3200(1/2)^(4-1)

= 3200 * 1/8

= $400.

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