Mathematics

7th

grade

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翰林國中數學1上CH1-4 指數記法與科學記號

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  • 1. Multiple Choice
    30 seconds
    1 pt

    下列式子何者正確?

    3+3+3+3=343+3+3+3=3^4

    4+4+4+4=2164+4+4+4=2^{16}

    5×5×5×5=455\times5\times5\times5=4^5

    6×6×6×6=24×346\times6\times6\times6=2^4\times3^4

  • 2. Multiple Choice
    30 seconds
    1 pt

     (13)\left(-13\right)  ×(13)\times\left(-13\right)  ×(13)\times\left(-13\right)  ×(13)\times\left(-13\right)  ×(13)\times\left(-13\right) 的結果與下列何者不同

     (13)5\left(-13\right)^5  

     135\left|-13^5\right|  

     135-13^5  

     135-\left|13\right|^5  

  • 3. Multiple Choice
    30 seconds
    1 pt

    若A的科學記號可表示成 6.312045×1096.312045\times10^9 ,則A為幾位數?

    7

    8

    9

    10

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