You just add both of the powers , so 6-3 is 3
the answer is 5^3
To find the surface area of a rectangular prism or cube, you would do height*width*2+height*length*2+length*width*2.
In order to compare you must multiply the the bottom two by each other and then multiply the top one by the same number you multiplied the bottom one by. The answer is not equal because the first fraction is 6/15 and the second is 5/12.
Well I Think it is 4 because it says round off