If a = -0.7, which of the following is true?  Choose the correct choice from the following answers:
A) a < a^2 < a^3 B) a^2 < a < a^3 C) a < a^3 < a^2 D) a^3 < a < a^2 E) a^2 < a^3 < a
a=-0.7;   a^2=0.49;   a^3=-0.343;   Answer : a &lt; a^3 &lt; a^2
<result>C</result>
If a = -0.7, which of the following is true?