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  • Pre-Algebra -

    Learn and apply these rules for taking powers of numbers with exponents,
    (x^a)^b = x^(ab) ,
    (x^a*y^b)^c = x^(ac) * y^(bc)

    and multiplying variables with exponents.

    x^a*x^b = x^(a+b)

    Here is how this works with two examples. You should do the rest yourself.

    (p^2*q)^3 = p^6*q^3

    6a(-ab)^7 = 6a*(-1)^7 * a^7 * b^7
    = -6a^8 * b^7

    The * symbol indicates multiplication, but could be left out

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