Simplifying 2² × 2⁻³ gives:
2⁻¹.
2¹.
2⁵.
2⁻⁶.
Given that 52x = 125, the value of x is:
2.
3.
2/3.
3/2.
Simplifying 2⁵ x 2⁻³ gives:
2⁻².
2².
2-8.
2-15.
Evaluating z³ × z⁻⁵ gives
z⁻².
z².
z-15.
z⁸.
Simplify 15 - 1²?
