Posted by **Busy 6** on Monday, April 7, 2008 at 7:49pm.

Elly writes the following expression on the blackboard.

(13+24)+0+7

Use three properties of addition to simplify the expression. Include the names of the properties you use.

what properties of addition are there cause im not sure!!!!

- Math-help!!! -
**drwls**, Monday, April 7, 2008 at 8:15pm
One property is that any number PLUS zero is the same number.

Another property is that it makes no difference in which you do the operations. That is called the commutative property.

The various properies of additiona are listed here:

http://www.aaamath.com/pro74a-propertiesadd.html

See which others you need. In this case, you just add them all up, so I don't see what the big deal is.

- Math-help!!! -
**Busy 6**, Monday, April 7, 2008 at 8:38pm
thanx a lot!!!

## Answer this Question

## Related Questions

- math - Write an algebraic expression that requires each of the following ...
- MATH - What is commutative property of addition? The commutative property of ...
- Math - Properties of Logarithms - Use properties of logarithms to find the exact...
- Math - Janice wants to know the total number of games won by the Denver Nuggets ...
- College Algebra - I have a few more questions that I'm not understanding. Its ...
- pre calculous - use the properties of logarithms to write the expression as a ...
- math 4th grade - Lance wants to find the total length of 3 boards. He uses the ...
- math - use one or more properties to rewrite the expression as an expression ...
- Math - Use the properties of logarithms to rewrite and simplify the logarithmic ...
- Math - Use the properties of logarithms to rewrite and simplify the logarithmic ...