When a number is written in scientific notation how can you tell the right way whether or not it is greater or equal to 1

Write a story that matches with the expression 42x-5 pls hurry

Pls yall i really need the answer fr fr

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your