Which expression represents the series 1 + 5 + 25 + 125 + 625?

Step-by-step explanation:

Geometric progression, is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.

The first term of the Geometric progression is and common ratio is .

The series will look like

With and ,

we get

This is the given sequence.

Any term can be calculated by

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

answer: plz give a pic and answer choices so i can answer!

step-by-step explanation: