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Write the following numbers in standard form: `0. 4579` (ii) `0. 000007` (iii)`0. 000000564` (iv) `0. 0000021` (v)`216000000` (vi) `0. 0000529\ xx\ 10^4` (vii)`9573\ xx\ 10^(-4)`

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Express the following numbers in usual form. (i) 3.02 xx 10^-6 (ii) 4.5 xx 10^4 (iii) 3 xx 10^(-8) (iv) 1.0001 xx 10^9 (v) 5.8 xx 10^12 (vi) 3.61492 xx 10^6

RD SHARMA ENGLISH-POWERS-All Questions
  1. If x=(4/5)^(-2)-:(1/4)^2, find the value of x^(-1)dot

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  2. Find the value of x for which 5^(2x)-:5^(-3)=5^5dot

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  3. Write the following numbers in standard form: 0. 4579 (ii) 0. 000007 ...

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  4. Express the following numbers in usual form. (i) 3.02 x 10^-6 (ii)...

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  5. Express the number appearing in the following statements in standard...

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  6. If the diameter of the Sun is 1.4xx10^9 m and that of Earth is 1.275xx...

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  7. The size of a red blood cell is 0. 000007\ m and the size of a plant c...

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  8. Express the following number in standard form: 6020000000000000 (ii) ...

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  9. Write the following numbers in the usual form: (i)\ 4. 83\ x\ 10^7 ...

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  10. Choose the correct alternative in each of the following : Square of...

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  11. Cube of (-1)/2i s (a)1/8 (b) 1/(16) (c) -1/8 (d) (-1)/(16)

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  12. Which of the following is not equal to ((-3)/5)^4? (a)((-3)^4)/(5^4) ...

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  13. Which of the following is not reciprocal of (2/3)^4? (3/2)^4 (b) ...

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  14. Which of the following numbers is not equal to (-8)/(27)?\ (a)(2/3)...

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  15. (2/3)^(-5) is equal to (a)((-2)/3)^5 (b) (3/2)^5 (c) (2^-5)/3 ...

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  16. ((-1)/2)^5*\ ((-1)/2)^3 is equal to (a)((-1)/2)^8 (b) -\ (1/2)^8...

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  17. ((-1)/5)^3-:((-1)/5)^8 is equal to (a) (-1/5)^5 (b) (-1/5)^(11) ...

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  18. ((-2)/5)^7-:((-2)/5)^5 is equal to (a) 4/(25) (b) (-4)/(25) (c)...

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  19. {(1/3)^2}^4 is equal to (a)(1/3)^6 (b) (1/3)^8 (c) (1/3)^(24...

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  20. (1/5)^0 is equal to (a)0 (b) 1/5 (c)\ 1 (d) 5

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