俩数学菜问题，请教XDJM

bob

What is the volume of a certain rectangular solid?
1, Two adjacent faces of the solid have areas 15 and 24, respectively.
2, Each of two opposite faces of the solid has area 40
答案是C，我选了B。我觉得好象通过（2）我们就可以得到这个长方体应该是个正方体，请XDJM们帮帮忙，谢谢了。


请问，exponent和power的意思是否一样？是否都可以表示“指数”、“幂”。

bob

liangqi,谢谢。