Could someone please help me with 5,6,7 it is due today! Will give Thanks so much if you help. :D

You use technology ans find a sum of 6.712e-8. write this sum in standard form

Mr. chen is parking in a lot downtown. the graph shows the relationship between the time and the total cost of parking. evaluate the function for and input of 10.

Jace didn’t pay his previous month’s credit card bill in full. this month’s bill shows a finance charge of $35.13. jeremy calculates the average daily balance in the new bill to be $2,342.15. what is the monthly percentage rate on the card? a. 1.5% b. 1.82% c. 14.9% d. 18.0%