Which of the following correctly the number in scientific notation? 0.0000752 a. 7.52 • 10^-6 b. 7.52 • 10^-4 c. 752 • 10^-5 d. 752 • 10^-3 e. 7.52 •10^-5 f. 75.2 •10^-4

Elena and her husband marc both drive to work. elena’s car has a current mileage (total distance driven) of 15,000 and she drives 15,000 miles more each year. marc’s car has a current mileage of 24,000 and he drives 11,000 miles more each year.will the mileages for the two cars ever be equal? explain.