Question

(-2)² . (-2)³ . (-2)⁴

Answer 1

-2^2+3+4 = -2^9 = -512

Answer 2

(-2)^2= 4

(-2)^3= -8

(-2)^4= 16

Quedaría así

(4)×(-8)×(16)= -512

Suerte.