Complete the statement for each arithmetic sequence.
170 is the ___?__ term of -4, 2, 8, ... .
170 is the 30th term of the arithmetic sequence -4, 2, 8, … .
Given arithmetic sequence is -4, 2, 8, ...
The nth term of an arithmetic sequence is given by .
Here the first term is
The difference between the first two terms is
The difference between the second two terms is
The common difference is
The given nth term is
Plugging the values in the formula:
Hence, 170 is the 30th term of the arithmetic sequence -4, 2, 8, … .
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