Practice: What answer should be reported, with the correct number of significant figures, for the following calculation?
[(42.00 − 40.914) ⋅ (25.739 − 25.729)] / [(11.50⋅1.001) + (0.00710 ⋅ 700.)]
Subjects
Sections | |||
---|---|---|---|
Classification of Matter | 15 mins | 0 completed | Learn Summary |
Physical & Chemical Changes | 19 mins | 0 completed | Learn Summary |
Chemical Properties | 8 mins | 0 completed | Learn Summary |
Physical Properties | 7 mins | 0 completed | Learn |
Intensive vs. Extensive Properties | 14 mins | 0 completed | Learn |
Temperature | 13 mins | 0 completed | Learn |
Scientific Notation | 14 mins | 0 completed | Learn |
SI Units | 8 mins | 0 completed | Learn |
Metric Prefixes | 24 mins | 0 completed | Learn Summary |
Significant Figures | 10 mins | 0 completed | Learn Summary |
Significant Figures: Precision in Measurements | 8 mins | 0 completed | Learn |
Significant Figures: In Calculations | 15 mins | 0 completed | Learn |
Conversion Factors | 16 mins | 0 completed | Learn |
Dimensional Analysis | 21 mins | 0 completed | Learn |
Density | 13 mins | 0 completed | Learn Summary |
Density of Geometric Objects | 19 mins | 0 completed | Learn |
Density of Non-Geometric Objects | 8 mins | 0 completed | Learn |
Significant Figures are often involved in chemical calculations.
Concept #1: Significant Figure Rules with Multiplication and Division.
Concept #2: Significant Figure Rules with Addition and Subtraction.
Concept #3: Significant Figure Rules with Mixed Operations.
Practice: What answer should be reported, with the correct number of significant figures, for the following calculation?
[(42.00 − 40.914) ⋅ (25.739 − 25.729)] / [(11.50⋅1.001) + (0.00710 ⋅ 700.)]
Join thousands of students and gain free access to 46 hours of Chemistry videos that follow the topics your textbook covers.
Enter your friends' email addresses to invite them: