Would it be (-3)^7? (-2187)
Answer:
a because I dont know why but some one told me it was this
You just need to plug those expressions inside the formula: it doesn't matter if they're expressions involving a variable instead of plain numbers: the formula becomes
If you want, you can simplify it by expanding the square and then multiply the two parenthesis:
The right answer is -2/3
please see the attached picture for full solution
Hope it helps..
Good luck on your assignment..