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By what number should (15)^(-1) be divid...

By what number should `(15)^(-1)` be divided so that the quotient may be equal to `(-5)^(-1)?`

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RD SHARMA ENGLISH-POWERS-All Questions
  1. By what number should 5^(-1) be multiplied so that the product may be ...

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  2. By what number should (1/2)^(-1) be multiplied so that the product may...

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

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  4. Using the laws exponents, simplify each of the following and express...

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  5. Using the laws of exponents simplify and express each of the expone...

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  6. Using the laws of exponents simplify and express each of the expone...

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  7. Using the laws of exponents simplify and express each of the exponen...

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  8. Using the laws of exponents simplify and express each of the expone...

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  9. Using the laws of exponents simplify and express each of the exponen...

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  10. Using the laws of exponents simplify and express each of the exponen...

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  11. Simplify and write the answer in the exponential form : (2^5-:2^8)^...

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

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  13. Simplify : (i)(5/8)^(-7)×\ (8/5)^(-5) (ii) ((-2)/3)^(-2)×\ (4/5)^(-...

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  14. Find : (8^(-1)times(5)^(3))/(2^(-4))

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  15. Simplify : (25\ "x"\ a^(-4))/(5^(-3)\ "x"\ 10\ "x"\ a^(-8)) (ii) (...

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  16. By what number shoulder (-4)^(-2) be multiplied so that the product ma...

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  17. By what number should (-12)^(-1) be divided so that the quotient must ...

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  18. By what number should ((-3)/2)^-3 be divided so that the quotient may ...

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  19. Find x so that (5/3)^(-5)×\ (5/3)^(-11)=(5/3)^(8x)

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  20. Find m so that ((2)/9)^(3)×\ (2/9)^(-6) = ((2)/9)^(2m)

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