Question

Use the formula to evaluate the infinite series. Round to the nearest hundredth if necessary.

Answer 1

Answer:

1.25.

Step-by-step explanation:

The common ratio r  is 1/5 and the first term a1 = (1/5)^(1-1) = 1.

Sum to infinity =  a1 / (1 - r)

=  1 / (1 - 1/5)

= 1 / 4/5

= 5/4

= 1.25 (answer)

Answer 2

Answer:

Step-by-step explanation:

1.25