0.00503 = 5.03 x 10^-3 in <span>scientific notation
................................................................</span>
50% so 9/18, or 1/2 simplified
Answer:

Step-by-step explanation:







I would say there would be 5 itineraries ie one each for Thailand, Singapore, Hong Kong, Laos and Bali though for the countries Thailand and Laos there may be more than one stop so there would be a minimum of 5 itineraries.
x= child
2x = adult
6.20x +9.80(2x) =593.40
6.20x +19.6x=593.40
25.80x =593.40
x=593.40/25.80 = 23
23 childrens tickets were sold