# Math

How do I use the sigma notation to express the series : 1+5+25+125+625+3125?

1. 👍 0
2. 👎 0
3. 👁 1,336
1. First try to make a relation/rule between the different terms:
1=50
5=51
25=52
125=53
625=54
3125=55

So you are really summing
50+51+52+53+54+55

So you would end up with:

i=5
Σ 5i
i=0

1. 👍 3
2. 👎 0
2. Thank you helps a lot😁

1. 👍 0
2. 👎 2

## Similar Questions

1. ### math

rewrite the series in sigma notation 4+16+64+...+256+1024

2. ### Calculus

Express the following in Sigma notation 2+8+18+32+50+72

3. ### Math

What is the value of "x" if 25^2=x? 1.)125 2.)0 3.)625 4.)5

4. ### Calculus

Express the following in Sigma notation 2+8+18+32+50+72

1. ### calculus help plz

a force of 1250 pounds compresses a spring 5 inches from its natural length. find the work done in compressing the spring 8 additional inches. f=kd 1250=k5 k=250 then what do i do. the answer choices are: a.3250 b.21,125 c.18000

2. ### Math

Write the geometric sequence that has five geometric means between 1and 15,625. I got: 1, 5, 25, 125, 625, 3,125, 15,625, … is it ok?

3. ### MATH!

A multiple choice test has 5 questions each with 5 possible answers. Find the probability of answering all the questions correctly. A. 1/3,125 B. 1/25 C. 1/625 D. 1/125 Is it B?

4. ### Math

Write 5+7+9+11+13+15+17 in sigma notation.

1. ### Math

Exprees each series using sigma notation. 3+6+9+12+15

2. ### Math Help plz

A multiple choice test has 5 questions each with 5 possible answers. Find the probability of answering all the questions correctly. A. 1/3,125 B. 1/25 C. 1/625 D. 1/125 How do you do this problem?

3. ### Algebra 2

Evaluate 20(0.5)^(n-1) when n= 3 to 12. Use sigma notation .

4. ### Calculus

Express the sum using sigma notation 1+ 5/6+ 6/8+ 7/10 + 8/12