Hope this helps, I did it on paper that way it would be easier to show my work.
during the summer holidays your brother and extra money mowing lawns he mows six lines an hour and has 21 lawns to mow how long
will it take him
2 answers:
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Given:
The geometric sequence is:
To find:
The 9th term of the given geometric sequence.
Solution:
We have,
Here, the first term is:
The common ratio is:
The nth term of a geometric sequence is:
Where, a is the first term and r is the common ratio.
Substitute to find the 9th term.
Therefore, the 9th term of the given geometric sequence is 5103.