TEST BANK FOR Electric Circuits 8th Edition By Nilsson, J.W. and Riedel, S

To solve this problem we use a product of ratios to change units from dollars/year to dollars/millisecond. We begin by expressing $10 billion in scientific notation: $100 billion = $100 × 109 Now we determine the number of milliseconds in one year, again using a product of ratios: 1 year 365.25 days · 1 day 24 hours · 1 hour 60 mins · 1 min 60 secs · 1 sec 1000 ms = 1 year 31.5576 × 109 ms Now we can convert from dollars/year to dollars/millisecond, again with a product ...