Pl (5 questions)
1) select the expressions that are equivalent to 2x^0. select all that apply.
a) 1
b) 2
c) (2x)^0
d) 2(2x)^0
2) select the expression that is equivalent to (m^-9) (-4m^-5) (-m^6).
a) - 1/4m^270
b) 4/m^8
c) 4m^270
d) - 4/m^20
3) select the expression that is equivalent to (6x^5)^-3.
a) 6/x^2
b) 1/6^x
c) 1/216x^15
d) 6/x^15
4) select the expression that is equivalent to 6x^6/2x^2.
a) 6x^3
b) 3x^3
c) 3x^4
d) 1/3x^2
5) if n x 10p is a positive number written in scientific notation, which statements must be true? select all that apply. (multiple choices).
a) n could be 1.2
b) n could be 120
c) p could be -5
d) p could be a fraction