Consider : `a^2 / a^7`.

Consider : p^7 xx q^7 .

Consider : 7^7 / 7^3 .

Consider : (3^2)^3 =

Consider : (7/4)^5 .

Consider (5 ^(7))/(5 ^(3))

Consider 10 ^(4) xx 2 ^(4)

Consider ( 3 ^(3)) ^(2)

Consider 6^(5) xx 2 ^(5)

Consider a train which can accelerate with an acceleration of 20cm//s^(2) and slow down with deceleration of 100cm//s^(2) . Find the minimum time for the train to travel between the stations 2.7 km apart. (180 s)

2/3p +7