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If 1. 125xx10^k=0. 001125 , then the ...

If `1. 125xx10^k=0. 001125` , then the value of `k` is: `-4` (b) `-3` (c) `-2` (d) `-1`

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RS AGGARWAL-DECIMAL AND FRACTIONS-All Questions
  1. The number 518,000,000 when expressed in scientific notation, equal...

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  2. 0.000006723 when expressed in scientific notation, is 6723xx10^(-5)...

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  3. If 1. 125xx10^k=0. 001125 , then the value of k is: -4 (b) -3 (c) -...

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  4. (0. 1xx0. 01xx0. 001xx10^7) is equal to 1/(10) (b) 1/(100) (c) 10 (d) ...

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  5. 383xx38xx3. 8=? (a) 55305.2 (b) 56305.4 (c) 57305.6 (d) 58305.8...

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  6. The product of 0.09 and 0.007 is 0. 6300 (b) 0. 00063 (c) 0. 00630 ...

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  7. 0. 1xx0. 01xx0. 001=? 0. 0001 (b) 0. 00001 (c) 0. 000001 (d) 0. 00000...

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  8. 3xx0. 3xx0. 03xx0. 003xx30=? 0. 0000243 (b) 0. 000243 (c) 0. 00243 (d...

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  9. 14. 4xx16. 5xx8=? (a) 1908.0 (b) 1900.8 (c) 1912.4 (d) 1924.8

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  10. 47. 7xx12. 4xx8. 6=? (a) 5086.728 (b) 5218.668 (c) 5708.428 (d) ...

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  11. 32. 4xx11. 5xx8. 5=? (a) 3149.5 (b) 3129.1 (c) 3167.1 (d) 3162....

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  12. 0. 04xx0. 0162 is equal to 6. 48xx10^(-3) (b) 6. 48xx10^(-4) (c) 6. 4...

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  13. How many digits will be there to the right of the decimal point in ...

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  14. (0.00625\ "of"\ 23/5) when expressed as a vulgar fraction, equals (a) ...

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  15. Which is the closest approximation to the following product? 0. 333...

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  16. The number 0.0561 correct to two places of decimals is (a) 0.1  ...

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  17. (0. 05xx5-0. 005xx5) equals 0. 0225 (b) 0. 225 (c) 0. 250 (d) 0. 275

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  18. 19. 99xx9. 9+99. 9=? (a) 129.79 (b) 297.801 (c) 1009 (d) 296.91...

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  19. 345+25xx0. 80-111=? (a) 254 (b) 324 (c) 666 (d) 600 (e) None of th...

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  20. 29. 92xx2. 4+21. 28xx4. 5=? (a) 167.568 (b) 167.658 (c) 176.568 (d...

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