The sum of the first n odd numbers is n^2. What is the sum of the odd numbers from 1 through 31?

Options:

225

961

900

256

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