Hey there!
2x^3y
= 2(-2)^3(3)
= 2(-3)^9
-2^9
= (-2)^9
= -2 * -2 * -2 * 2 * -2 * -2 * 2 * -2 * -2
= 4 * 4 * 4 * 4 * -2
= 16 * 16 * 2
= 256 * -2
= -512
= -2(-512)
= -1,024
Therefore, your answer is: -1,024
Good luck on your assignment and enjoy your day!
~Amphitrite1040:)