The common ratio is 28/7 = 4.
The formula for the n-th term is
.. an = 7*4^(n -1)
The 9th term is
.. a9 = 7*4^(9 -1) = 7*4^8
.. = 7*65,536
.. = 458,752
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Answer:
12: 21
13: A: 16/x^12
B: 9/x^8
Step-by-step explanation:
Answer:
1. 3 7/12 (decimal: 3.583333)
2. -5 3/28
3. 2 29/40
4. −1 9
/14