Posted by **dell** on Sunday, September 30, 2012 at 2:22pm.

What is the value of the following expression...

2-4+6-8+10-12+14-16+...-100

- math -
**Ms. Sue**, Sunday, September 30, 2012 at 2:34pm
2 + 6 + 14 = 22

Add the negative numbers and take it from there.

- math -
**Reiny**, Sunday, September 30, 2012 at 3:40pm
how about writing it like this:

(2-4) + (6-8) + (10-12) + .... + (98 - 100)

the value of each bracket is -2 and you have 50 such brackets, so .....

## Answer This Question

## Related Questions

- Math help - Which of the following statements is NOT true regarding an ...
- Math - 5. Which of the following statements is NOT true regarding an expression ...
- math - Which statement is true about the value of (5−n)(5n)? a.For all n, ...
- Sixth Grade Math - Complete the following statement. As the value of n in the ...
- Math - Hi everyone! I am extremely struggling with this questions and was hoping...
- SAT Math - Can I please get some help on these questions: 1. If , find the value...
- Algebra - Which of the following statements is NOT true regarding an expression ...
- Math! Please Check My Awnser! - Hello! I need some help with math! I have tried ...
- Math - Write and expression that has a value of 100 and the following ...
- math - use the numbers 3, 5, 6, 2, 54, and 5 in that to write an expression that...

More Related Questions