Question

simplify this expression; (x^7)^9

Answer 1

\[\huge \color{green}{(x^a)^b = (x)^{a \times b}}\]

Answer 2

Use this formula, replace a by 7 and b by 9..

Let us see what you get..

Answer 3

@RebeccaMichelle can you do that or not??
Atleast give a reply..

Answer 4

im confused.

Answer 5

It is okay..

See the formula once again..

After seeing reply me..

Answer 6

okay i looked at it again. I use to understand these but now i forgot

Answer 7

It is okay..

Now tell me what is in the left hand side??

What I have written left hand side in that formula??

Answer 8

Or simply can you identify \(a\) and \(b\) by comparing the formula with the question given??

Answer 9

@rebeccamichelle - if you are still confused, then maybe the explanations on this site might help you: http://www.mathsisfun.com/algebra/exponent-laws.html