1. Matter and Measurements

Significant Figures (Simplified)

Open Question
How many sig figs does each number contain?
a) 100. min
b) 17.3 x 10³ mL
c) 10 apples
Multiple Choice
Indicate the number of significant figures in the following:
A liter is equivalent to 1.059 qt.
Open Question
In which of the following pairs do both numbers contain the same number of significant figures?a. 11.0 m and 11.00 mb. 0.0250 m and 0.205 mc. 0.000 12 s and 12 000 sd. 250.0 L and 2.5 x 10⁻² L
Open Question
In which of the following pairs do both numbers contain the same number of significant figures?a. 0.005 75 g and 5.75 x 10⁻³ gb. 405 K and 405.0 Kc. 150 000 s and 1.50 x 10⁴ sd. 3.8 x 10⁻² L and 3.0 x 10⁻⁵ L
Open Question
Indicate if the zeros are significant in each of the following measurements:a. 20.05 °Cb. 5.00 mc. 0.000 02 gd. 120 000 yre. 8.05 x 10² L
Open Question
dentify the numbers in each of the following statements as measured or exact:b. A patient is given 2 tablets of medication.
Open Question
dentify the numbers in each of the following statements as measured or exact:a. A patient has a mass of 67.5 kg.
Open Question
Identify the measured number(s), if any, in each of the following pairs of numbers:b. 1 table and 4 chairs
Open Question
Identify the measured number(s), if any, in each of the following pairs of numbers:a. 3 hamburgers and 6 oz of hamburger
Open Question
Identify the exact number(s), if any, in each of the following pairs of numbers:b. 6 nickels and 16 g of nickel
Open Question
Identify the exact number(s), if any, in each of the following pairs of numbers:a. 5 pizzas and 50.0 g of cheese