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March 28, 2017

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3. What makes the statement true? 7^–2 =?

4. Evaluate the expression 6^-2 • 4^0?

5. Write 5^2 • 5^-1 • 5^3 as a single exponent.

9. What is the solution to (4 × 10^3) × (6 × 10^6), written in scientific notation?

11. Find the product.
1/10 • 4/10

  • Math - ,

    Plz help me

  • Math - ,

    7^-2 = 1/7^2 = 1/49

    6^-2 = 1/6^2 = 1/36
    4^0 = 1 (as does any number n^0)
    6^-2 • 4^0 = 1/36 * 1 = 1/36

    5^2 • 5^-1 • 5^3 = 5^(2-1+3) = 5^4

    (4×10^3)×(6×10^6) = 4×6×10^(3+6) = 24×10^9 = 2.4×10^10

    1/10 • 4/10 = 1•4/(10•10) = 4/100 = 1/25

  • Math - ,

    Thank You so so so much :D

  • Math - ,

    My pleasure it is. :-)

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