An anti aircraft gun can fire 4 shots at a time . If the probabilities of the 1st , 2nd , 3rd and last shot hitting the enemy aircraft are 0.7 , 0.6 , 0.5 , 0.4 . What is the Probability that the four shots aimed at the enemy aircraft will hit the target ?

probability that all for shots will hit the target=0.7 X 0.6 X 0.5 X 0.4