Evaluate the infinite series. find the r

your answer is 0.75

Hope this helps : )

We can see from the illustration that the common ratio, r, is -1/3. The first term is 1.

a

Using the formula

1 - r

we calculate the sum of the series:

1

= 3/4 or 0.75

1 - (-1/3)

Note that we're not "evaluating the geometric series," but rather "finding the sum of the series."

cut 138 centimeters off

step-by-step explanation:

250-112 = 138