I train three hundred meters long is running at a speed of 90 km per hour. how many seconds will it take to cross a 200 M Long Train Running in the same direction at a speed of 60 kilometers per hour?​

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _