Thursday

October 23, 2014

October 23, 2014

Posted by **Robin** on Tuesday, July 6, 2010 at 5:32pm.

- algebra -
**Damon**, Tuesday, July 6, 2010 at 7:29pmxy * wz = (10x + y)(10w+z)

=100xw+10xz+10yw+yz

yx * zw = (10y+x)(10z+w)

=100yz+10yw+10xz+xw

These can be the same but not usually

eg

12*21

- algebra -
**Jaz**, Wednesday, July 7, 2010 at 1:51amThank-you Damon

**Answer this Question**

**Related Questions**

Algebra - Need help plz. Don't really get this "reversing the digits" What is ...

math - Can u please help me with this..this is my sons 6th grade work and im ...

math - Posted by nicole on Monday, September 22, 2008 at 4:32pm in response to ...

math - Posted by nicole on Monday, September 22, 2008 at 4:32pm in response to ...

8th Grade Algebra - These are extra credit questions, and I just want to know ...

algebra - 2. The sum of both digits, of either of two two-digit numbers, in ...

math - You have 2 digits, 2 numbers, reverse digits and 54 if the difference and...

Math - The mystery number's tens digit is less than the ones digit. The tens ...

math - Find a six-digit even number containing no zeros and no repeating digits ...

maths - The product of the digits of a positive two-digit number exceeds the sum...