Answer:
The answer is (C) ⇒ 
Step-by-step explanation:
∵ (-2x³y) × (xy²) ⇒ add the power of same base
∴ 
∴ Answer (C)
Answer:
devide 10 by 5 = 2 to the power of 8 =256
ps give more points and it will be answered quicker
from question d = 16t^2 = 56-4t
=》 16t^2 -56 + 4t =0
=》 4t^2 - 14 + t = 0
=》 (4t-7)(t+2) =0
=》 t = 1.75 seconds