jamilah2237735p613uk jamilah2237735p613uk
  • 23-03-2018
  • Mathematics
contestada

the first term of a geometric sequence is 36 and the common ratio is 1/3 find the fourth term

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Billy10070
Billy10070 Billy10070
  • 23-03-2018
Ok is 36 is first terms so 12 would be the second and 4 would be the 3rd then the fourth would be 1.3 wait I think I’m thinking of this wrong
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haddiemd
haddiemd haddiemd
  • 23-03-2018
Okay, so here what you have to do is multiply 36 by 1/3 until you get to the fourth turn.

First term: 36
Second term: 36/1 * 1/3 = 12
Third term: 12/1 * 1/3 = 4
Fourth term: 4/1 * 1/3 = 1.333

The fourth term is 1.333
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