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If (5^(m)xx5^(3)xx5^(-2))/(5^(-5))=5^(12...

If `(5^(m)xx5^(3)xx5^(-2))/(5^(-5))=5^(12)` find m

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Simplify: ((5^(-3)xx7^(4))/(7^(-2)xx5^(-6)))^((5)/(2))xx((5^(-3)xx7^(-3))/(7^(5)xx5^(2)))^((3)/(2))

Simplify: ((5^(-3)xx7^(4))/(7^(-2)xx5^(-6)))^((5)/(2))xx((5^(-3)xx7^(-3))/(7^(5)xx5^(2)))^((3)/(2))

If [5^(9)xx5^(3)]div[5^(15)div5^(3)]=5^m , then find the value of m.

If 5sqrt(5)xx5^(3)-:5^(-3/2)=5^(a+2), then the value of a is a.4 b.5 c.6 d.8

hcf of 3^(3)xx5 and 3^(2)xx5^(2)

((5^(-1)xx7^(2))/(5^(2)xx7^(-4)))^((7)/(2))xx((5^(-2)xx7^(3))/(5^(3)xx7^(-5)))^(-(5)/(2))

(-5/3)^6xx(-5/3)^(2m)=(-5/3)^(-4)

H.C.F.of 3240,3600 and a third number is 36 and their L.C.M.is 2^(4)xx3^(5)xx5^(2)xx7^(2) .The third number is (a) 2^(2)xx3^(5)xx7^(2)(b)2^(2)xx5^(3)xx7^(2)(c)2^(5)xx5^(2)xx7^(2)(b)2^(3)xx3^(5)xx7^(2)

NCERT EXEMPLAR-EXPONENTS AND POWERS-EXERCISE
  1. (125xx x^(-3))/(5^(-3)xx25xx x^(-6))

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  2. (16xx10^(2)xx64)/(2^(4)xx4^(2))

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  3. If (5^(m)xx5^(3)xx5^(-2))/(5^(-5))=5^(12) find m

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  4. A newly born bear weigh "4kg" .How many kilograms might a five year ol...

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  5. The cells of a bacterial double in every 30 minutes. A scientist begin...

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  6. Planet A is at a distance of 9.35xx10^(6)km from Earth and planet B is...

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  7. The cells of a bacterial double itself every hour. How many cells will...

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  8. An insect is on the 0 point of a number line, hopping towards 1. She c...

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  9. Investigating solar system: The table shows the average distance from ...

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  10. This table shows the mass of one atom for five chemical elements. Us...

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  11. The planet Uranus is approximately? 2,896,819,200,000 metres away from...

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  12. In inch is approximately equal to 0.02543 metres. Write this distance ...

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  13. The volume of the Earth is approximately 7.67xx10^(-7) times the volum...

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  14. An electron's mass is approximately 9.1093826xx10^(-31) kilograms. W...

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  15. At the end of the 20th century the world population was approximately ...

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  16. While studying her family's history. Shikha discovers records of ances...

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  17. About 230 billion litres of water flows through a river each day. How ...

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  18. A half life is the amount of time that it takes for a radioactive subs...

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  19. Consider a radioactive substance. The fraction of its quantity that re...

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  20. One Fermi is equal to 10^(-15) metre. The radius of a proton is 1.3 Fe...

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