Respuesta :

wegnerkolmp2741o

Answer:

256

Step-by-step explanation:

sum of the first n odd number is n^2

if we want to find the sum of of 1 thru 31

to find out how many numbers that is

(1+31)/2 = 32/2 =16

there are 16 numbers

n^2 =16^2 =256

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