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Write the following numbers in the expan...

Write the following numbers in the expanded exponential forms:
(i)`20068`
(ii) `420719`

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RD SHARMA ENGLISH-EXPONENT-All Questions
  1. Write the following numbers in the usual from: (i)4. 83xx10^7 (ii) 3...

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  2. Express the numbers appearing in the following statements in the sta...

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  3. Write the following numbers in the expanded exponential forms: (i)200...

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  4. Write the following numbers in the expanded exponential forms: (i) 780...

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  5. Find the numbers from each of the following expanded forms: 7xx10^4+6x...

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  6. Find the numbers from each of the following expanded forms: 1)9xx10^5...

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  7. (6^(-1)-8^(-1))^(-1) = (a)1/(24) (b) 24 (c)-24 (d) -1/(24)

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  8. Find: 2^(3^2) = (a)64                                         (b)...

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  9. (3^(-1)xx5^(-1))^(-1) = (a)1/(15)\ \ \ (b) -1/(15) (c) 15 (d) -15

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  10. (-3/5)^(-1) = (a)3/5 (b) 5/3 (c)-5/3 (d) -3/5

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  11. (-1)^(301)+(-1)^(302)+(-1)^(303)+ ....+(-1)^(400) (b) 101 100 (d) 0

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  12. If a=25 , then a^((25)^0)+a^(0^(25))= (a)25 (b) 26 (c)24 (d) ...

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  13. {(1/3)^(-3)-(1/2)^(-3)}-:(1/4)^(-3) = (a)(19)/(64) (b) (64)/(19) (c...

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  14. (25^2-15^2)^(3/2) = (a) 4000\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \...

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  15. If (5/3)^(-5)xx(5/3)^(11)=(5/3)^(8x) , than x=? (a)-1/2 (b) -3/4 (c...

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  16. [{(-1/3)^2}^(-2)]^(-1) = (a) 1/(81) (b) 1/9 (c) -1/(81) (d) -1/9

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  17. ((144)^(1/2)+(256)^(1/2))/(3^2-2)= (A) 8 (B) 4 (C) -4 (D) -8

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  18. ( 1+3+5+7+9+11 )^ (3/2)   = (a)36                            ...

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  19. If a b c = 0, then ({(x^a)^b}^c)/({(x^b)^c}^a) = (a)3 (b) 0 (c)-1 ...

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  20. (2^3)^4 = (a)2^4*3 (b) 2^3*4 (c)(2^4)^3 (d) none of these

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