Number 2. convert 8hr into=min) 3.(convert 30min into seconds ) 4.( convert 15hr into min) 5. (also 5 yr into adays) 6. (convert 7 days into hr)7.convert 24hr into min)8.(convert 600 seconds into min)9.(convert 60,000 min into hr)how do you get the answer.

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units