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Find the single machine that will do the...

Find the single machine that will do the same job as the given hook -up
a. `a(xx2^(3))` machine followed by `(xx2^(-2))` machine.
b. `a(xx2^(4))` machine followed by `(xx(1/2)^(2))` machine.
c. `a(xx5^(99))` machine followed by a `(5^(-100))` machine.

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NCERT EXEMPLAR-EXPONENTS AND POWERS-EXERCISE
  1. Shrinking Machine In a shrinking machine, a piece of stick is compre...

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

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

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  4. Supply the missing information for each diagram.

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

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

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

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  8. Find three machines that can be replaced with hook ups of (xx5) machin...

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  9. If the diameter of the Sun is 1.4xx10^9 m and that of Earth is 1.275xx...

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  10. Mass of mars is 6.42xx10^(29) kg and mass of the sun is 1.99xx10^(30)k...

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  11. The distance between the sun and the Earth is 1.496xx10^(8)km and dist...

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  12. A star is 8. 1xx10^(13) km away from the earth. Suppose light tr...

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

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  14. By what number should (-8)^(-3) be multiplied so that the product may ...

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  15. Find x: -1/7^(-5)-: - 1/7^(-7)-(-7)^(x)

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  16. Find x: (2/5)^(2x+6)xx(2/5)^3=(2/5)^(x+2)

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  17. 2^(x)+2^(x)+2^(x)=192 then find the value of x

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  18. Find x: (-6)/7^(x-7)=1

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  19. Find x: 2^(3x)=8^(2x+1)

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  20. Find x: 5^(x)+5^(x-1)=750

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