Answer:
[tex]\frac{5^3s^3t^6}{s^4 x 50t}[/tex]
After that, all terms reduce as follows: the [tex]5^{2}[/tex] with the 25 in 50, the s at the numerator with the s in the denominator, and a t from the denominator with one unit from the exponent of t in the numerator.
