Simplify 15 x 1²?
Evaluating z³ × z⁻⁵ gives
z².
z⁸.
z⁻².
z-15.
Simplifying 2² × 2⁻³ gives:
2⁵.
2¹.
2⁻⁶.
2⁻¹.
What is 3 cubed?
Given that 52x = 125, the value of x is:
3.
2.
2/3.
3/2.
