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12 Cards in this Set
- Front
- Back
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Addition/subtraction |
The answer must have the same number of decimal places as the measurement with the fewest decimal places |
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Multiplication/Division |
Count the number of significant figures |
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Ignore exact numbers (3 rules) when determining significant numbers |
1. The number 1 in any conversion factor 2. Any equivalence that relates two units in the same measuring system (all English or all metric) 3. Counting numbers (132 people) |
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Trailing zeros in approximate numbers are not significant |
108,000,000 = 3 significant numbers |
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561.3 + 1.237 |
562.5 |
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4.097 3.276 + 2.227 |
9.600 |
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Definition: Significant Numbers |
All of the digits starting from the first nonzero digit |
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How many significant numbers are in 410.6 |
4 |
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0.4576 x 32.060 x 4.18 |
61.3 |
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How many significant numbers are in 1 in/ 2.54 cm |
3 |
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6.375g + 8.216g = |
14.591g |
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How many significant figures are in 6.05g? |
3 |
