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| Mixtures | 12 mins | 0 completed | Learn Summary |
| Scientific Notation | 6 mins | 0 completed | Learn |
| Accuracy & Precision | 5 mins | 0 completed | Learn |
| Standard Deviation, Mean, Median & Mode | 7 mins | 0 completed | Learn |
| Metric Prefixes | 17 mins | 0 completed | Learn Summary |
| Significant Figures | 18 mins | 0 completed | Learn Summary |
| Energy, Heat and Temperature | 7 mins | 0 completed | Learn Summary |
| Physical & Chemical Changes | 7 mins | 0 completed | Learn Summary |
| Dimensional Analysis | 28 mins | 0 completed | Learn |
| Density | 14 mins | 0 completed | Learn Summary |
| End of Chapter 1 Problems | 51 mins | 0 completed | Learn |
| Additional Practice |
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| Filtration |
| Types of Energy |
| Additional Guides |
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| The Scientific Method |
| Physical & Chemical Properties |
Round each number to three significan t figures.
a. 79,845.82
b. 1.548937 X 107
c. 2.3499999995
d. 0.000045389
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