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anonymous
 one year ago
help please
Evaluate S5 for 400 + 200 + 100 + … and select the correct answer below.
25
775
1,125
500
anonymous
 one year ago
help please Evaluate S5 for 400 + 200 + 100 + … and select the correct answer below. 25 775 1,125 500

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welshfella
 one year ago
Best ResponseYou've already chosen the best response.0you can just find what the 4 th and 5th terms are then add them up Do you see the pattern?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0how do you get from 400 to 200 and from 200 to 100? what process is done on 400 and 200 to get the next number?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0and what would you do to 100 to get the next number in the series?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0would the answer be 25?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0No how could it be 25? S5 means the Sum of 5 terms

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh i don't know. so what would the answer be

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0to get the next term in the series you multiply by 0.5 400 * 0.5 = 200 200 * 0.5 = 100 so what are the next 2 terms?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0100 * 0.5 = 50 50 * 0.5 = 25

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0exactly so you have the first 5 terms so all you have to do is add them up 400+ 200 etc

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0can you do that S5 = 400+200+100+50+25

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes i got it thank you
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