Question

Find the infinite geometric sum of 600 – 240 + 96 – . . . to 5 decimal places past the decimal point.

171.42857




428.57143




1000




576.92308

Answer 1

Step-by-sten inop explanation:

Answer 2

428.571

Explanation:

S∞=a1/1-r

first a1=600

r=a2/a1=-240/600=-24/60=-2/5

substitute :S∞=a1/1-r=600/1-(-)2/5=428.571