# simplifing expressions

• January 30th 2010, 12:02 PM
andyboy179
simplifing expressions
hi how would i simplify this:
2a^2 x 3a^3 would it be 4a x 27a?
• January 30th 2010, 12:12 PM
skeeter
Quote:

Originally Posted by andyboy179
hi how would i simplify this:
2a^2 x 3a^3 would it be 4a x 27a?

no, it would be $6a^5$
• January 30th 2010, 12:15 PM
andyboy179
so 2x3=6 for the bottom numbers and 2+3=5 for the top numbers?
• January 30th 2010, 12:16 PM
e^(i*pi)
Quote:

Originally Posted by andyboy179
so 2x3=6 for the bottom numbers and 2+3=5 for the top numbers?

Yep but only because the base (a) is the same