Posted by Amy on Sunday, November 14, 2010 at 2:33pm.
(b^(4y+7))(b^y) / b
I got 1 / b^(3y8)
but the answer is supposed to be 1 / b^(3y+6) ?
could someone write the steps to solving this?

Algebra: exponents  Amy, Sunday, November 14, 2010 at 2:36pm
I just solved it and i know how to get 1 / b^(3y+6) as the answer
but, if for the exponent 4y+7 if it isn't (4y+7) I wouldn't move it to the bottom of a fraction?

Algebra: exponents  Amy, Sunday, November 14, 2010 at 2:36pm
by answer I meant b^3y+6

Algebra: exponents  bobpursley, Sunday, November 14, 2010 at 2:46pm
You may put the exponents in the numerator or denominator.
a^{3}= 1/a^{3}
sometimes teachers have beginning students move them around just for practice.
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