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Observe the following facts : (1) The ...

Observe the following facts :
(1) The distance from the Earth to the Sun is 149,600,000,000m
(2)The speed of light is 300,000,000 m/sec.
(3) Thickness of class VII Mathematics book is 20mm
(4) The average diameter of a Red Blood cell is 0.00007mm.
(5) The thickness of human hair is in the range of 0.005 cm to 0.01 cm.
(6) The distance of moon from the Earth is 384,467,000 m. (approx.)
(7) The size of a plant cell is 0.00001275m.
(8) Average radius of the Sun is 695000km.
(9) Mass of propellant in a space shuttle solid rocket booster is 503600kg
(10) Thickness of a piece or paper is 0.0016cm.
(11) Diameter of a wire on a computer chip is 0.000003m.
(12) The height of Mount Everest is 8848m.
There some large number like 150,000,000,000m and some every small numbers like 0.000007m.
Identify very large and very small numbers from the above facts and write them in the adjacent table.

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NAND LAL PUBLICATION-EXPONENTS AND POWER-SAMPLE PAPER FOR PRACTICE
  1. Observe the following facts : (1) The distance from the Earth to the...

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  2. Fill in the blanks. 2^(6)xx2^(-8) can be expressed as a power of rat...

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  3. Fill in the blanks. If y=x^(3) then y^(2) is equal to .

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  4. Fill in the blanks. 2xx(3^(1)xx3^(-1)xx3^(-1)xx3^(0))= .

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  5. Fill in the blanks. The usual form of 9.876543xx10^(4) is .

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  6. Correct the false statement. a^(m)xxa^(n)=a^(nm)

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  7. Correct the false statement. 3^(0)lt(-1)^(235)

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  8. Correct the false statement. If 2^(n)=32 then n = 2

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  9. Correct the false statement. The multiplicative inverse of (-2)^(-3)...

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  10. The value of [(1234)^(0)]^(5) is equal to

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  11. x^(3)xxy^(3) is equal to a. (xy)^(6) b. (xy)^(3) c. (xy)^(-3) d. none

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  12. ((-3)/(2))^(-5) can be written as

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  13. The standard form of 256.003 is a. 2.56003xx10^(6) b. 25.6003xx10^(3)...

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  14. Planet A is at a distance of 8.36xx10^(7) km from earth and planet B i...

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  15. If 9^(x)=27^(y) then find the ratio of x:y

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  16. By what number should (-42)^(-1) be divided so that the quotient may b...

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  17. Correct the mistakes in the following [((-3)/(4))^(-2)]^(-1)=(3/(4))...

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  18. Correct the mistakes in the following 8^(@)-6^(@)=2^(@)

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  19. Correct the mistakes in the following (2/(3))^(-2)=(3/(2))^(-2)

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  20. If x/(y)=(2/(3))^(5)div(2/(3))^(3) find (y/(x))^(-2).

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  21. Find the value of [(4/(5))^(3)xx(4/(5))^(3)]div[(4/(5))^(4)xx(4/(5))^(...

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