amelia522 amelia522
  • 13-06-2021
  • Mathematics
contestada


Find the sum of the series
{1875 + 750 + 300+...
+3.072}

Respuesta :

jm1269
jm1269 jm1269
  • 13-06-2021

Answer:

Find the indicated sum for each geometric series.

{1875+750+300+⋯+3.072}

Answer: 3122.952

Step-by-step explanation:

{1875+750+300+⋯+3.072}

r=0.4 3.072=1875(0.4)n−1

0.0016384=(0.4)n−1

7=n−1→n=8

Sn=1875(1−(0.4)8)1−0.4=3122.952

I think is like this.

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