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micro7909
24.09.2019 •
Mathematics
How did cell phones change communications in the early 1990s?
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Ответ:
Cell phones allowed people to be in constant contact (:
Step-by-step explanation:
Ответ:
Step-by-step explanation:
Since the above sequence is a geometric sequence
An nth term of a geometric sequence is given by
where a is the first term
r is the common ratio
n is the number of terms
From the question
a = 10
To find the common ratio divide the previous term by the next term
That's
r = 30/10 = 3 or 90/30 = 3 or 270/90 = 3
Since we are finding the 12th term
n = 12
So the 12th term is
![A(12) = 10 ({3})^{11}](/tpl/images/0714/6314/ecd3d.png)
A(12) = 1771470Hope this helps you