Answer:
B. and D.
Step-by-step explanation:
When you multiply exponents, you add them
3 + (-6) = -3
The base always stays the same
[tex] {7}^{ - 3} [/tex]
is one answer
[tex] {x}^{ - n} = \frac{1}{ {x}^{n} } [/tex]
Do this formula for the question and you get 1/(7^3)
