1. What is the value of the expression 8^–2?
a. -16
b. 1/64
c.1/16
d.64
2.What is the value of the expression 1/5-5?
a.1/3125
b.1/25
c.25
d.3125
3.What is the value of the expression 2/4^-3 ?
a.1/32
b.1/6
c.128
d.256
4.What value of n solves the equation? 4^n=1/64
a.-3
b.3
c.16
d.256