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Mathematics

2 answers:

ValentinkaMS [17]3 years ago

8 0

Answer:

tn= (n-1)*d

Step-by-step explanation:

Margaret [11]3 years ago

7 0

Answer:

$a_n=200\cdot \frac{1}{4}^{(n-1)}$

Step-by-step explanation:

Since the sequence begins with 200 and each next term in the sequence is a quarter of the previous one, an equation for this would be:

$a_n=200\cdot \frac{1}{4}^{(n-1)}$

You can see that this works by testing out some scenarios. For instance, the third term in the sequence:

$a_3=200\cdot \frac{1}{4}^{(3-1)}= 200\cdot \frac{1}{16}=12.5$

Hope this helps!

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