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vekshin1
2 years ago
6

SOMEONE PLEASE HELP ASAP

Mathematics
2 answers:
Ann [662]2 years ago
7 0
Try this solution:
0.2; 0.2*(-0.3); 0.2*(-0.3)*(-0.3); 0.2*(-0.3)*(-0.3)*(-0.3);... etc.
if the first term of this sequence is n=1, then only 'C' is the right answer: 
a_n=0.2*(-0.3)^{n-1}.
harina [27]2 years ago
7 0
The explicit formula for a Geometric Series can be written as:

a_{n}= a_{1}(r)^{n-1}

Here, a_{1}=First Term = 0.2

r = Common Ratio = - 0.06/0.2 = -0.3

Using these value in above formula, we can write the explicit formula of the sequence as:a_{n}=0.2(-0.3)^{n-1}

So, option C gives the correct answer

 
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