Posted by **Sandra** on Thursday, December 15, 2011 at 6:10pm.

1.Write 4+6+8+10 in sigma notation:

I came up with sigma in the middle

3 on top

j=0 on the bottom

2. Find the 10th term of the sequence

-1/5,-1/20,-1/80 this was a geometric sequence so I said a(subscript10) = -1/5*1/4^(10-1)

=-1/5*(1/4)^9 = -1/5*1/2621444

= -1/1310702

## Answer This Question

## Related Questions

- Pre-Calc-Please check answer - 1.Write 4+6+8+10 in sigma notation: I came up ...
- Pre-Calc-Please check answer - 1.Write 4+6+8+10 in sigma notation: I came up ...
- Pre-CalcPlease check - Please check: 1.Write in expanded form: this is a sigma ...
- Pre-Calc-please check - Please check this for me expand (3z-2b)^5 using Binomial...
- algebra(check) - 1)Find the sixth term of the geometric sequence for which a1=5 ...
- algebra - 1)Find the sixth term of the geometric sequence for which a1=5 and r=3...
- algebra - 1)Find the sixth term of the geometric sequence for which a1=5 and r=3...
- algebra - 1)Find the sixth term of the geometric sequence for which a1=5 and r=3...
- Algebra II - Please help-I need to write 4+6+8+10 in sigma notation would it be ...
- algebra(check) - I'm pretty sure these are right but I just want to check. 1)...

More Related Questions