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algebra

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Simplify each expression. Assume all variables represent
nonzero real numbers.


-40^0- 30^0

  • algebra - ,

    Since a⁰ = 1 for all 0<a<∞,
    -40^0- 30^0
    = -(40^0+30^0)
    = -(1+1)
    = -2

  • algebra - ,

    a2 c-4

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