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(3^5xx10^5xx25)/(5^7xx6^5)...

`(3^5xx10^5xx25)/(5^7xx6^5)`

A

1

B

2

C

3

D

4

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The correct Answer is:
A
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Simplify.(i) (25xx t^(-4))/(5^(3)xx10xx t^(-8))(t!=0)( ii) (3^(-5)xx10^(-5)xx125)/(5^(-7)xx6^(-5))

i)25xx(t^(-4))/(5^(3)xx10xx t^(-8))ii)3^(-5)xx10^(-5)xx(125)/(5^(-7)xx6^(-5))

Simplify: (3^(-5)xx10^(-5)xx125)/(5^(-7)xx6^(-5))

(5.75xx5.75xx5.75+3.25xx3.25xx3.25)/(57.5xx57.5+32.5xx32.5 -57.5xx32.5) is equal to : (5.75xx5.75xx5.75+3.25xx3.25xx3.25)/(57.5xx57.5+32.5xx32.5 -57.5xx32.5) किसके बराबर है ?

(6.75xx6.75xx6.75- 4.25xx4.25xx4.25)/ (6.75xx6.75+4.25xx4.25+6.75xx4.25) is equal to : (6.75xx6.75xx6.75-4.25xx4.25xx4.25) /(67.5xx67.5+42.5xx42.5+67.5xx42.5) किसके बराबर है ?

Simplify: (10xx5^(n+1)+25xx5^n)/(3xx5^(n+2)+10xx5^(n+1)) (ii) ((16)^7xx(25)^5xx(81)^3)/((15)^7xx(24)^5xx(80)^3)

Simplify: (7xx7xx7+3xx7xx7xx5+3xx7xx5xx5+5xx5xx5)/(7xx7+2xx7xx5+5xx5)

RS AGGARWAL-EXPONENTS -EXERCISE 5A
  1. Write each of the following in power notation: ( i ) frac(5)(7)xxfra...

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  2. Express each of the following in power notation: ( i ) frac(25)(36) ...

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  3. Express each of the following as a rational number: ( i ) (frac(2)(3...

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  4. Express each of the following as a rational number: ( i ) (4)^(-1) ...

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  5. Find the reciprocal of each of the following: ( i ) (frac(5)(8))^(4)...

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  6. Find the value of each of the following: ( i ) 8^(@) ( ii ) (-3)^(...

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  7. Simplify each of the following and express each as a rational number: ...

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  8. Simplify each of the following as a rational number: ( i ) (frac(4)(...

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  9. Express each of the following as a rational number: ( i ) 5^(-3) ( ...

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  10. Simplify: ( i ) [{(frac(-1)(4))^(2)}^(-2)]^(-1) ( ii ) {(frac(-2)...

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  11. By what number should (-5)^(-1) be multiplied so that the product is (...

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  12. By what number should 3^(-3) be multiplied to obtain 4?

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  13. By What number should (-30)^(-1) be divided to get 6^(-1) ?

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  14. Find x such that (frac(3)(5))^(3) xx (frac(3)(5))^(-6)=(frac(3)(5))^(2...

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  15. (3^5xx10^5xx25)/(5^7xx6^5)

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  16. Simplify: frac(16 xx 2^(n+1)-4 xx 2^(n))(16 xx 2^(n+2)-2 xx 2^(n+2)).

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  17. Find the value of n when: ( i ) 5^(2n) xx 5^(3)=5^(9) ( ii ) 8 xx...

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  18. If 2^(n-7) xx 5^(n-4)=1250, find the value of n.

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