(a) What is the length of the pencil in the following figure if the scale reads in centi...

(a) What is the length of the pencil in the following figure if the scale reads in centimeters? How many significant figures are there in this measurement? (b) An oven thermometer with a circular scale reading degrees Fahrenheit is shown. What temperature does the scale indicate? How many significant figures are in the measurement? [Section 1.5]