8.A number raised to a negative exponent is negative. Is it always , never, or sometimes

4 answers

In your earlier post of this question, I had given you an example of two different cases, one resulting in a negative, the other in a positive answer.
I assumed you could deduce which choice what that.
Oh I see it i the answe (sometimes) thank you . I'm sometimes in the the box . Thank you
sometimes

Thank you
1. B. 1/45
2. A. mq^2/n^4
3. C. 4.2 x 10^-3
4. A. 6,120
5. D. 4 x 10^5
6. A. 8.1 x 10^-5
7. B. 1/2
8. C. Sometimes
9. A. 64x^8y^11
10. C. 1.28r^2/t^9