How do you simplify this radical (4x^2y)^1/3 and have no negative exponents?

In a box lenght 1m breadth 60 cm and height 40 cm small rectangular packets of dimension 5 cm into 8 cm into 10 cm are packed. how many such small packets can be packed in the big box?

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.