Homework Help: Algeblease check my answer

Posted by Annie on Monday, October 18, 2010 at 8:50pm.

Posted by Annie on Monday, October 18, 2010 at 7:20pm.

Choose the equivalent expression(3h^-2j^3k)^2(hj^-5k^3)^-2 The signs that look like minuses are negative signs

Answers:
3h^-6j^16K^-4
9h^-2j^5j^16k^-4
9h^-6j^-4k^-4
9h^-6j^-4k^-4

Please help I'm so lost right now-Ireally don't get it- I think it might be the last one, but I'm not sure

Algebra Please check my answer - Annie, Monday, October 18, 2010 at 8:51pm
It should have read please check-
Algeblease check my answer - Reiny, Monday, October 18, 2010 at 9:00pm
I am going to leave a space between factors for easier reading
(3h^-2 j^3 k)^2(h j^-5 k^3)^-2
= (9 h^-4 j^6)/(h^2 j^-10 k^6)
= 9 h^-6 j^16 k^-4
Algeblease check my answer - Annie, Monday, October 18, 2010 at 9:17pm
Thank you-I see where I made the mistake on the "j"
Algeblease check my answer - Reiny, Monday, October 18, 2010 at 9:20pm
did you also notice that none of the given answers are correct ?

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