Fined the volume of a locker that is 30 cm long, 40 cm wide, and 200 cm, high

240000cm^3

Explanation:

multiply length times width times height

V = (30cm)(40cm)(200cm )

V = 1200cm^2(200cm )

V = 240000cm^3

volume is 240000cm^3

Hope this helps :)

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.