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Why there is a need of rounding off figu...

Why there is a need of rounding off figures during calculations ? State the rule for rounding off figures.

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CHETANA PUBLICATION-INTRODUCTION TO ANALYTICAL CHEMISTRY-EXAMPLE
  1. Define : Relative error

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  2. Define : Absolute deviation

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  3. Why there is a need of rounding off figures during calculations ? Stat...

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  4. How many significant figures are in each of the following . 45.26 ft

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  5. How many significant figures are in each of the following . 0.109 in

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  6. How many significant figures are in each of the following . 0.00025 ...

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  7. How many significant figures are in each of the following . 2.3659 x...

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  8. How many significant figures are in each of the following . 52.0cm^...

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  9. How many significant figures are in each of the following . 0.00020 ...

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  10. How many significant figures are in each of the following . 8.50 xx ...

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  11. How many significant figures are in each of the following . 300.0 kg

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  12. Round off each of the following quantities to two significant figures ...

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  13. Round off each of the following quantities to two significant figures ...

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  14. Round off each of the following quantities to two significant figures ...

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  15. Round off each of the following quantities to two significant figures ...

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  16. Round off each of the following quantities to three significant figur...

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  17. Round off each of the following quantities to three significant figur...

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  18. Round off each of the following quantities to three significant figur...

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  19. Round off each of the following quantities to three significant figur...

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  20. Round off each of the following quantities to three significant figur...

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