The exponent is Two-fifths.

The expanded form is (Two-fifths) (two-fifths) (two-fifths).

The expanded form is StartFraction 2 times 2 times 2 Over 5 EndFraction.

(Two-fifths) cubed = StartFraction 6 Over 15 EndFraction

(Two-fifths) cubed = StartFraction 8 Over 125 EndFraction

The expanded form is (Two-fifths) (two-fifths) (two-fifths).

The expanded form is StartFraction 2 times 2 times 2 Over 5 EndFraction.

(Two-fifths) cubed = StartFraction 6 Over 15 EndFraction

(Two-fifths) cubed = StartFraction 8 Over 125 EndFraction