Aone-minute advertisement on a local television station during prime time (8-10p. m.) costs the advertiser $12,800. to the nearest cent, how much does the advertisement cost per second? show your work using dimensional analysis.

To determine the cost per second can be calculated by converting the given unit in terms of second. The conversion factor that will be used is 1 minute is equal to 60 seconds. Also, use proper dimensional analysis as shown below.

      R = ($12,800 / minute) (1 minute / 60 seconds)
           R = $213.33/seconds

Therefore, one second of advertisement during prime time costs $213.33.