Create an equivalent expression for 1.2 cubed over 1.3 raised to the fourth power all raised to the power of negative seven.

a 1.2 to the twenty first power over 1.3 to the twenty eighth power
b 1.3 to the twenty-eighth power over 1.2 to the twenty first power
c 1.2 raised to the fourth power over 1.3 cubed
d 1.3 cubed over 1.2 raised to the fourth power

The correct option is d) 1.3 cubed over 1.2 raised to the fourth power.