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Posted by on Thursday, January 23, 2014 at 3:50pm.

How to solve d(d^-2)^-9? Please show and explain step-by-step.

  • Algebra - , Thursday, January 23, 2014 at 3:51pm

    What do you have to solve exactly? Do you by chance mean simplify?

    Should there be an equal sign in the expression that you typed?

  • Algebra - , Thursday, January 23, 2014 at 3:53pm

    Simplify, sorry. The answer says d^19, but I don't get how.

  • Algebra - , Thursday, January 23, 2014 at 3:56pm

    d^1 * d^(-2*-9)

    = d^1 * d^+18

    = d^19

  • Algebra - , Thursday, January 23, 2014 at 4:02pm

    Thanks. Another one:

    (z^8)^0 z^5

  • Algebra - , Thursday, January 23, 2014 at 4:08pm

    ANYTHING AT ALL^0 = ONE
    so
    z^5

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