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  • Question 1
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    When 5 × 10−3−2000 × 10−6 is expressed in standard form, we will get

  • Question 2
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     If 3(x−y)=27 and 3(x+y)=243, then x is equal to ____.

  • Question 3
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    Find x, if (5/11)−3×(5/11)5=(5/11)x

  • Question 4
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     Pluto is 5913000000 km away from the Sun. Express this distance in standard form.

  • Question 5
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    The cell of bacteria doubles itself after every 1 hour. How many cells will there be after 8 hours?

  • Question 6
    1 / -0

    At the end of the 20th century, the world's population was approximately6.125×109. Express this population in usual form.

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