Operations with scientific notation

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer

The graph shows the amount of total rainfall at each hour what was the total rainfall amount after three hours

The distance between a football fsaid and a parking lot is 135 feet. what is that length in yards? 2 mickey needs to cut pieces of ribbon that are each 1 meter long to tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long, how many 1-meter pieces of ribbon can he cut? show work