1 year ago

1, 3/5, 9/25 Find the 8th term.

Mathematics

1 answer:

timofeeve [1]1 year ago

8 0

Answer:

Step-by-step explanation:

This is a geometric sequence.

a = first term = 1

Common ratio = r = second term ÷ first term

= (3/5)÷ 1 = 3/5

$t_{n}=ar^{n-1}\\\\t_{8}=1*(\dfrac{3}{5})^{7}\\\\= \dfrac{3^{7}}{5^{7}}\\\\\\= \dfrac{2187}{78125}$

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