Posted by **Sami** on Friday, April 25, 2008 at 10:18am.

how do you evaluate these numbers?

/-48/-/-20/

-/-51/

I have looked every where and I need help please.

- Math -
**msp**, Friday, April 25, 2008 at 10:40am
Basically, the number inside the / / is always positive. Only if it has a negative sign on the OUTSIDE, is it negative. The / / means "absolute value" which is simply how far away from 0 on a number line the number is. So, /-48/ is 48 spaces from 0, so it's value is 48.

Hope this makes sense!

- Math -
**Reiny**, Friday, April 25, 2008 at 10:42am
does it look like this?

│-48│ - │-20│

if so, you are dealing with "absolute value".

it simply means take the positive value of the number you are dealing with, so ...

│-48│ - │-20│

= 48 - 20

= 28

and -│-51│

= - 51

- Math -
**Jordan**, Friday, April 25, 2008 at 9:33pm
By take away the numbers.

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