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02-07-2020
Mathematics

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Find the 10th term of the geometric sequence 1, 3, 9, .

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ronhagrid310 ronhagrid310

02-07-2020

Answer:

19683

Step-by-step explanation:

As the formula of the geometric sequence:

[tex]a_{n} =a_{1} *r^{n-1}[/tex]

In the sequence of 1, 3, 9..., you have a1 = 1 and r = 3. Therefore:

[tex]a_{10} =1 *3^{10-1} = 3^{9} =19683[/tex]

Hope this helps!

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