CTIVITY 3: Convert the following to the indicated units. Please use sep- ate sheet of paper for your solution. 17 ft 64 yd 420 in 8 yd 1440 in = in ft ft in yd 6. 420 mi 7. 6.4 in 8. 56 yards 9. 7 ft 10. 18 m ft cm in E =​