Posted by Sam on Monday, February 4, 2013 at 9:30pm.
8.A number raised to a negative exponent is negative. Is it always , never, or sometimes.
7. Evaluate 1/2a^4b^2 a = 2 and b = 4 remember a^to the negative 4
6. Simplify. Write in scientific notation. (9 x 10^3)^2
Thanks to anyone who helps right away and need right answer from the people who have already taken this test.

Algebra 1 I need help!!!!!!!!!!!!!!!!  Ms. Sue, Monday, February 4, 2013 at 9:32pm
http://www.jiskha.com/display.cgi?id=1360017689

Algebra 1 I need help!!!!!!!!!!!!!!!!  Evan, Monday, February 4, 2013 at 10:00pm
Miss sue did you notice the answer you gave me the person who did it didn't do it right because its to the negative 4 power thanks . Can you try to solve it on your own? Thanks if you do.

Algebra 1 I need help!!!!!!!!!!!!!!!!  Evan is the same as Sam, Monday, February 4, 2013 at 10:02pm
Oh Sam and me are the same person in this question.

Sam or Dave or Evan  Algebra 1 I need help!!!!!!!!!!!!!!!!  Reiny, Monday, February 4, 2013 at 10:22pm
Please try to stick with one name.
If you had looked carefully at the solution I gave you before, you would have noticed that I took care of the
a^4 by converting it to 1/a^4
Here is what I did, look it over carefully
#7 , the way you typed it ... it would be
(1/2)a^4 b^2
= (1/2)(1/(2)^4 (4)^2
= (1/2)(1/16)(16) = 1/2

Algebra 1 I need help!!!!!!!!!!!!!!!!  Evan, Monday, February 4, 2013 at 10:39pm
Oh thankyou . I'm sorry for changing my name . So I really just put m original name . I was thinking that you have to change your name in order to put in another question,. Thanks oh my real name is Evan . So that's what I'm going to put no on. Thank you. And did you do the test before with the same quetions ? If so can you give them all to me. I just been really having a lot of confusion . I also know how to do this its just I'm tired and need the answers to go on the next subject . THank You
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