# Math

posted by .

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

• Math -

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

## Similar Questions

1. ### Math

Express the series 11+18+27+...171 using sigma notation. a1+a2+a3+...ak 11+18+27+...171 thats all I have
2. ### Math

Could someone explain this please? Thank you. Express the series 11+18+27+...171 using sigma notation. a1+a2+a3+...ak 11+18+27+...171
3. ### Reiny or Damon or Bobpursley

Express the series 11 + 18 + 27 +...+ 171 using sigma notation. Usually you would take 27-18 and that's the step between numbers, right?

Express the infinite series below using sigma notation and then find the sum. 64 + 40 + 25 + 15.625... Any explanation would be excellent. Thank you so much.
5. ### math

Express the infinite series below using sigma notation and then find the sum. 64 + 40 + 25 + 15.625... Any explanation would be excellent. Thank you so much.
6. ### math

I just need help with this. Write the series in sigma notation. 1/4 + 1/2+ 3/4 + 1 + 5/4 + 3/2 5 A.) 1/4 sigma N n=1 6 B.) 1/4 sigma n n=1 5 C.)sigma n/n+3 n=1 6 D.)sigma n/n+3 n=1
7. ### math

I just need help with this. Write the series in sigma notation. 1/4 + 1/2+ 3/4 + 1 + 5/4 + 3/2 5 A.) 1/4 sigma N n=1 6 B.) 1/4 sigma n n=1 5 C.)sigma n/n+3 n=1 6 D.)sigma n/n+3 n=1
8. ### math

use sigma notation to write the maclaurin series for the function ln(1+x)
9. ### math

use sigma notation to write the maclaurin series for the function 1/(1+x)
10. ### Math

The ordered pairs (1, 5), (2, 25), (3, 125), (4, 625), and (5, 3125) represent a function. What is a rule that represents this function?

More Similar Questions