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Find the value of n in each of the follo...

Find the value of `n` in each of the following:
(i)`5^(2n)xx5^3=5^(11)`
(ii) `9xx3^n=3^7`

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RD SHARMA ENGLISH-EXPONENT-All Questions
  1. Simplify: (i) (3^5)^(11)xx(3^(15))^4-(3^5)^(18)xx(3^5)^5, (ii) (16xx2...

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  2. Simplify: (i)(10xx5^(n+1)+25xx5^n)/(3xx5^(n+2)+10xx5^(n+1)) (ii) ((16)...

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  3. Find the value of n in each of the following: (i)5^(2n)xx5^3=5^(11) ...

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  4. Find the value of n in each of the following: (i)8xx2^(n+2)=32 (ii) 7^...

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  5. Find the value of n in each of the following: (3/2)^4xx(3/2)^5=(3/2)^(...

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  6. if (9^nxx3^2xx3^n-(27)^n)/((3^3)^5xx2^3)=1/(27), find the value of n

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  7. Express the following numbers in the standard from: (i)3,90,878       ...

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  8. Write the following numbers in the usual form: (i)7.54xx10^6 (ii) 9....

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  9. Express the following numbers in the standard form: (i)3908. 78 (ii)...

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  10. Express the following numbers in the standard form: 3,18,65,00,000 (ii...

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  11. Write the following numbers in the usual from: (i)4. 83xx10^7 (ii) 3...

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

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

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

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

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

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  17. (6^(-1)-8^(-1))^(-1) = (a)1/(24) (b) 24 (c)-24 (d) -1/(24)

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

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  19. (3^(-1)xx5^(-1))^(-1) = (a)1/(15)\ \ \ (b) -1/(15) (c) 15 (d) -15

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  20. (-3/5)^(-1) = (a)3/5 (b) 5/3 (c)-5/3 (d) -3/5

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