Simplify 15 - 1²?
Subtract 5 squared to 2 cube.
Evaluating z³ × z⁻⁵ gives
z⁸.
z⁻².
z-15.
z².
Simplifying 2² × 2⁻³ gives:
2⁵.
2⁻⁶.
2⁻¹.
2¹.
One thousand can be written in index form as:
