Question 303283
Mass of uranus = 8.7*10^22 
Mass of sun = 1.998*10^27 = 1.998*(10^5)*(10^22)=199800*(10^22)

Mass of sun / Mass of uranus = {{{(199800*(10^22))/(8.7*10^22)}}}

= 199800/8.7 
= 22965.517 
= {{{2.297*(10^4)}}}