1. simplify 2^20/2^16
a. 4
b. 16
c. 32
d. 64

2. 2a-¹b³ can be written into:

a. 2b³/a
b. a/2b³
c. ab³/2
d. 3b³/a

3. apply the laws of exponent to reduce x4y2y3/x2y4z3 into its lowest term.

a. xy
b. xyz
c. x²/y²
d. x²z/y²
​