Answer:
Step-by-step explanation:
9 * -9 * -1 =
-81 * -1 =
81 <===
In multiplying (or dividing), if the signs are the same, the result is positive
if the signs are different, the result is negative
these rules do not apply to addition or subtraction
81 (Option D)
If you know, you know.
K now that ur done lets go watch harry potter for the 100th time
Answer: -10
:)