t = 3
step-by-step explanation:
put t = 3 in this expression :
(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680
sorry not sure
50x5=$250
10.416 m/s
step-by-step explantion:
distance=100m
time= 9.6s
average speed=100/9.6
=10.416 m/s