My Arthmetic Sequence

10,20,30,40,50

Part 1:

t_{n} = 10n

t_{50} = 10+(49)10 = 500

Part 2:

S_{50}\frac{50}{2} (2(10)+(50-1)10) = 12750

 

 

 

 

 

 

Leave a Reply

Your email address will not be published. Required fields are marked *