Hey there!
ASSUMING:
2k^3 + j
CONVERTING
= 2(-2)^3 + (-5)
= 2(-2)^3 - 5
= 2(-2^3) - 5
= 2(-1 * 2 * 2 * 2) - 5
= 2(-2 * 4) - 5
= 2(-8) - 5
= -16 - 5
= -21
Therefore, the answer should be: -21
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)
