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Mathematics

6th -

8thgrade

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Powers and Exponents

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10 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt

    Write as a product of the same factor. Then find the value.

     (18 )2\left(\frac{1}{8\ }\right)^2  

     18 ×18 = 116\frac{1}{8}\ \times\frac{1}{8}\ =\ \frac{1}{16}  

     18+18 = 116\frac{1}{8}+\frac{1}{8}\ =\ \frac{1}{16}  

     18 × 18 = 164\frac{1}{8}\ \times\ \frac{1}{8}\ =\ \frac{1}{64}  

     18 + 18 = 164\frac{1}{8}\ +\ \frac{1}{8}\ =\ \frac{1}{64}  

  • 2. Multiple Choice
    5 minutes
    1 pt

    Write the power as a product of the same factor. Then find the value.

     646^4  

    6 x 6 x 6 x 6 = 24

    6 + 6 + 6 + 6 = 24

    6 x 6 x 6 x 6 = 1296

  • 3. Multiple Choice
    5 minutes
    1 pt

    Fine the value of the expression.

     0.54 + 10.5^4\ +\ 1  

    1.625

    1.0625

    16.25

    162.5

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