Question
For the following exercises, write an explicit formula for each arithmetic sequence. $$a_{n}=\{1.8,3.6,5.4, \dots\}$$
Step 1
This is done by subtracting the first term from the second term, or the second term from the third term, and so on. In this case, we have: $$ d = 3.6 - 1.8 = 1.8 $$ Show more…
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