Identify the number of significant digits in a measurement and identify the quantity associated with a measurement based on its unit.
Use the rules for significant digits to determine the number of significant digits in the following values:
69 contains _____ significant digits.
# of Significant Digits
609 contains _____ significant digits.
0.0069 contains _____ significant digits.
0.00609 contains _____ significant digits.
0.006900 contains _____ significant digits.
6900 contains _____ significant digits.
69.00 contains _____ significant digits.
6900.00 contains _____ significant digits.
6900. contains _____ significant digits.
How many significant digits are in each of the following?
200 contains ____ significant digits.
9.0 x 102 contains _____ significant digits.
3.00 x 103 contains _____ significant digits.
100.0 contains _____ significant digits.
0.0046 contains _____ significant digits.
0.00900 contains _____ significant digits.
5.70 x 10-3 contains _____ significant digits.
3.000 x 10-3 contains _____ significant digits.
Consider the measured quantity 7.304 x 10-3 L.
How many significant digits are used to express this quantity?
This is a ____________ measurement.
Consider the measured quantity 0.0120 kg.
Consider the measured quantity 244.010 g.
Consider the measured quantity 320.776 K.
Consider the measured quantity 4.260 x 106 mL.
A scientist's lab notebook is inspected. Several different measurements are found recorded within the pages of the notebook. Each measurement corresponds to a quantity - for example, length, volume, density, etc. Which quantity type do the following measurements correspond to?
35.1 mm Hg is a _______ measurement.
6.6 cm3 is a _______ measurement.
8.6 g is a _______ measurement.
38.6 atm is a _______ measurement.
560 nm is a _______ measurement.
313 K is a _______ measurement.