The Daytona 500 is a 500-mile Nascar race that normally takes about 3.5 hours to complete. How many minutes does it take to complete this 500-mile race? What is the Order of Magnitude of the number of seconds it takes to complete the race?

• icedipping: 210 minutes.
  10^4 seconds.
  __________
• :

  We have been given that it takes  3.5 hours to complete 500-mile Nascar race.

  We know that

  1 hour = 60 minutes

  and 1 hour = 3600 seconds.

  Therefore, when we calculate the time taken in minutes we need to multiply 3.5 to 60 and to find the time to complete the race in seconds we need to multiply 3.5 by 3600.

  Thus, the time taken to complete the race [tex]3.5\times 60 = 210 \text{ minutes}[/tex]

  Hence, it takes 210 minutes to complete the race.

  Now, let us find the time in seconds. The number of seconds to complete the race is

  [tex]3.5\times 3600\\ =12600\\ = 1.26\times 10^4[/tex]

  Therefore, the order of magnitude of the number of seconds is 4.