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Round off each of the following quantiti...

Round off each of the following quantities to three significant figures :
`458 xx 10^2`

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CHETANA PUBLICATION-INTRODUCTION TO ANALYTICAL CHEMISTRY-EXAMPLE
  1. Round off each of the following quantities to two significant figures ...

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

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

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

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

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

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

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

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

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

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

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

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  13. Express the following sum to appropriate number of significant figures...

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  14. Express the following quantities in exponential terms. 0.0003498

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  15. Express the following quantities in exponential terms. 235.4678

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  16. Express the following quantities in exponential terms 70000.0

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  17. Express the following quantities in exponential terms. 1569.00

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  18. Give the number of significant figures in each of the following : 1...

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  19. Give the number of significant figures in each of the following : 0...

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  20. Give the number of significant figures in each of the following : 1...

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