999999964 999999964

26-05-2021
Mathematics

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Evaluate each series.
Help pls 50 points

Evaluate each series Help pls 50 points class=

Respuesta :

ferrybukantoro ferrybukantoro

26-05-2021

Answer:

1. 2,555

2. 23.25

Step-by-step explanation:

1. 5+10+20+...

S9 = 5(2^9-1)/(2-1)

= 5(511) = 2,555

2. 12+6+3+1.5+0.75 = 23.25

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