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Simplify : (1/4)^(-2)+\ (1/2)^(-2)+(1/3)...

Simplify : `(1/4)^(-2)+\ (1/2)^(-2)+(1/3)^(-2)`

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Simplify: {(1/3)^(-3)-\ (1/2)^(-3)}-:(1/4)^(-3)

Simplify: {(1/3)^(-3)-\ (1/2)^(-3)}-:(1/4)^(-3)

Simplify : (1): [(1/3)^(-3)-\ (1/2)^(-3)]-:(1/4)^(-3) (2): (2^2+\ 3^2-4^2)-:(3/2)^2

Simplify : pi^(3//4).pi^(1//2)

Simplify : {6^(-1)+\ (3/2)^(-1)}^(-1)

Simplify each of the following : [{((-1)/5)^(-2)}^2]^(-1)\ (ii) {(1/3)^(-2)-\ (1/2)^(-3)}-:(1/4)^(-2)

Simplify: [{((-1)/4)^2}^(-2)]^(-1)

Simplify : (4^(-1)+\ 8^(-1))-:(2/3)^(-1)

NCERT EXEMPLAR-EXPONENTS AND POWERS-EXERCISE
  1. Express as a power of a rational number with negative exponent. (2^(...

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  2. Find the product of the cube of (-2) and the square of (+4).

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  3. Simplify : (1/4)^(-2)+\ (1/2)^(-2)+(1/3)^(-2)

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  4. Simplify: (((-2)/3)^(-2))^(3)xx(1/3)^(-4)xx3^(-1)xx1/6

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  5. Simplify: (49xxz^(-3))/(7^(-3)xx10xxz^(-5))(z!=0)

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  6. Simplify: (2^(5)-:2^(8))xx2^(-7)

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  7. Find the value of x so that (5/3)^(-2)xx(5/3)^(-14)=(5/3)^(8x)

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  8. Find the value of x so that (-2)^(3)xx(-2)^(-6)=(-2)^(2x-1)

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  9. Find the value of x so that (2^(-1)+4^(-1)+6^(-1)+8^(-1))^(x)=1

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  10. Divide 293 by 10,00,000 and express the result in standard form.

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  11. Findthe value of x^(-3) if x=(100)^(1-4)-:(100)^(a).

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  12. By what number should we multiply (-29)^(@) so that the product become...

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  13. By what number should (-15)^(-1) be divided so that quotient may be eq...

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  14. Find the multiplicative inverse of (-7)^(-2)-:(90)^(-1).

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  15. If 5^(3x-1)-:25=125, find the value of x.

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  16. Write 39,00,00,000 in the standard form.

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  17. Write 0.000005678 in the standard form.

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  18. Express the product of 3.2xx10^(6) and 4.1xx10^(-1) in the standard fo...

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  19. Express (1.5xx10^(6))/(2.5xx10^(-4)) in the standard form.

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  20. Some migratory birds travel as much as 15,000 km to escape the extrem...

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