Question

Which expressions are perfect cubes? –1,000,27r21,343p, g3h30 , 1

Answer 1

Explanation:

1000 = 10³ is a perfect cube.

27r^21 can be re-written as (3r^7)³ and is a perfect cube.

343p can be rewritten as (7)³·∛p. (7)³ is a perfect cube, but ∛p is not.

g³h^30 can be rewritten as (g·h^10)³ and is a perfect cube.

1 is a perfect cube: 1³ = 1

Answer 2

A, B, D, E

Explanation:

A = 1,000

B =
`27r^(21)`

D=
`g^(3)h^(30)`

E = 1

(just took it on edge)