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About 230 billion litres of water flows ...

About 230 billion litres of water flows through a river each day. How many litres of water through that river in a week?

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NCERT EXEMPLAR-EXPONENTS AND POWERS-EXERCISE
  1. At the end of the 20th century the world population was approximately ...

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

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

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

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

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

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  7. The paper clip below has the indicated length. What is the length in s...

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  8. .Use the properties of exponents to verify that each statement is true...

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  9. Simplify the following using law of exponents. (3^2)×(3^2)^4.

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  10. There are 864,00 seconds in a day. How many days long is a second? Exp...

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  11. Stretching Machine Suppose you have a stretching machine which coul...

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  12. Find three repeater machines that will do the same work as a (xx64) ma...

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  13. What will the following machine do to a 2 cm long piece of chalk?

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  14. Shrinking Machine In a shrinking machine, a piece of stick is compre...

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  15. Sanchay put a 1 cm stick of gum through a (1xx3^(-2)) machine. How lon...

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  16. Find the single machine that will do the same job as the given hook -u...

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  17. Supply the missing information for each diagram.

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  18. If possible find a hook up of prime base number machine that will do t...

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  19. Find two repeater machines that will do the same work as a (xx81) mach...

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  20. Find a repeater machine that will do the same work as a(xx1/8) machine...

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