Answer:
1 275
Step-by-step explanation:
First step you need to write the 1st until 8th terms.
5, 10, 20, 40, 80, 160, 320, 640
When you get the terms then you will easily get the sum. Here we go!
5+10=15
15+20=35
35+40=75
75+80=155
155+160=315
315+320=635
635+640=1 275
Final Answer= 1 275
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Answers & Comments
Answer:
1 275
Step-by-step explanation:
First step you need to write the 1st until 8th terms.
5, 10, 20, 40, 80, 160, 320, 640
When you get the terms then you will easily get the sum. Here we go!
5+10=15
15+20=35
35+40=75
75+80=155
155+160=315
315+320=635
635+640=1 275
Final Answer= 1 275