Answer:
A = 81
Explanation:
When there is a number above the other. You will need to multiply it.
There is a 4 so its 4 times.
-3 x -3 = 9
9 x -3 = -27
-27 x -3 = 81
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When you multiply a negative number by a negative number it will be a positive.
If you multiply a positive number by a negative it will be negative.