cvgold11
cvgold11 cvgold11
  • 25-03-2020
  • Mathematics
contestada

Find the 7th term of this geometric sequence 0.2, 0.6, 1.8,

Respuesta :

Sarah06109
Sarah06109 Sarah06109
  • 25-03-2020
The pattern is multiplying by 3.

The formula will be: 0.2(3)^n-1

So, 0.2(3)^6=145.8
Answer Link
wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 25-03-2020

Answer:

145.8

Step-by-step explanation:

The geometric ratio is

.6/.2 =3

The formula is given by

an = a1 r^ (n-1)

The first term is .2

an = .2 (3) ^ (n-1)

We want the 7th term

a7 = .2 * (3) ^(7-1)

     = .2 (3)^6

    = .2*729

    =145.8

Answer Link

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