Chapter 5, Problem 7ICA

In each of the following cases, a value of some desired quantity has been determined in some way, resulting in a number displayed on a calculator or computer screen. Your task is to round each number to a reasonable number of significant digits—up if a higher value is conservative, down if a lower value is conservative, and to the nearest value if it does not make a difference.

1. a. 4.36 gallons; amount of paint needed to cover a single room
2. b. 1484.2 miles; the distance from Tampa to New York to estimate the amount of gas you need to purchase
3. c. 1613 lumens; the brightness of a light bulb
4. d. $20,144.52; cost of tuition, room and board at college this year