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anonymous
 one year ago
What is the next term in the following sequence: 3, 15, 75, 375…?
What is the rule for the following sequence: 8, 4, 2, 1…?
anonymous
 one year ago
What is the next term in the following sequence: 3, 15, 75, 375…? What is the rule for the following sequence: 8, 4, 2, 1…?

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welshfella
 one year ago
Best ResponseYou've already chosen the best response.0for the first one calculate second term / first term and third term / second term what do you notice?

Kash_TheSmartGuy
 one year ago
Best ResponseYou've already chosen the best response.01. 1875 2. Dividing by 2.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0for the first one i think it is an = a1 * (1/2)(n1), a1 = 8 btw

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0@Kash_TheSmartGuy please don't give direct answers  read the code of conduct

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0But the second ones answer isn't on the choices

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0the first one is a geometric sequence where the next term is obtained by multiplying by a common ratio

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0the second one is also geometric  do you know what the nest number is?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0and I think it should be .5

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0right each term is formed by multiplying by 0.5  same thing as dividing by 2 as Kash said

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0and if you do the divisions i mentioned in my first post you'll get the common ratio for the first sequence

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0and to get the next term you multiply 375 by this common ratio

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0an = a1 * (1/2)(n1), a1 =8 I guess maybe
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