Choose the expression that is equivalent to a fraction with six raised to the negative third power in the numerator and the quantity three raised to the negative second power times six squared end quantity in the denominator and the entire fraction is cubed?

three raised to the sixth power divided by six raised to the fifteenth power
three squared divided by six raised to the fifth power
negative three raised to the sixth power divided by six raised to the fifteenth power
negative three squared divided by six raised to the fifth power