Recall that Exact numbers are either defined numbers or the result of a count.
An exact number can only be expressed in one way and cannot be simplified any further. Exact numbers have an infinite number of significant figures, but they often appear as integers.
Indicate which of the following are exact numbers.
(a) the mass of a 32-oz can of coffee
(b) the number of students in your chemistry class
(c) the temperature of the surface of the Sun
(d) the mass of a postage stamp
(e) the number of milliliters in a cubic meter of water
(f) the average height of NBA basketball players
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Significant Figures concept. You can view video lessons to learn Significant Figures. Or if you need more Significant Figures practice, you can also practice Significant Figures practice problems.
What professor is this problem relevant for?
Based on our data, we think this problem is relevant for Professor Kizilkaya's class at LSU.