abomb6292
11.10.2019 •
Mathematics
Find the sum of the finite geometric series. 4 20 100 312,500 the sum of the geometric series is .
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Ответ:
First term, a = 4
common ratio, r = –20 / 4 = –5
= 100 / –20 = –5
9th term = 4 ( –5 ) ^ ( 9 - 1 )
= 4 ( –5 ) ^ 8
= 4 ( 390,625 )
= 1,562,500
Ответ:
Step-by-step explanation:
total children = 40
number of boys = 10
then
percentage of boys = 10/40*100
25percent are boys