1-8419 to the nearest ten ????
2- 9585 to the nearest hundred????
3- 8419 to the nearest ten???
4- 20 and 30???
5-Your daily routine consists of driving 45 minutes to college in the morning, then driving to your job, and finally driving home. You do this every day, Monday through Friday. How many minutes do you spend in your car Monday through Friday on these routine trips? Express your answer in minutes.???