2 years ago

Find a10 given the geometric sequence 3, 12, 48, 192, ...

Mathematics

1 answer:

notka56 [123]2 years ago

3 0

Answer:

Step-by-step explanation:

first term = a = 3

common ratio = 2nd term ÷ first term

= 12 ÷ 3

r = 4

$a_{n} = ar^{n-1}\\\\a_{10}=3*4^{9}\\\\\\ = 3 * 262144\\\\= 786432$

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