Answer:
do you not know
Step-by-step explanation:
a4 = 128
a5 = -512
a1= -2
q= (-1)^(n+1) × 4
a4 = a1q³ = (-2) (-4)³ = -2 × -64 = +128
a5 = a1q⁴ = (-2) (-4)⁴ = -2 × 256 = -512
i belive it is either 3 students or 8 cuz the numbers confued
me
