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Math Help - Writing an expression to a power with positive exponents.

  1. #1
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    Writing an expression to a power with positive exponents.

    Can someone explain to me why...
    x^7/2 x (x) = x^9/2 ?
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  2. #2
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    Re: Writing an expression to a power with positive exponents.

    Quote Originally Posted by gideonrichter View Post
    Can someone explain to me why...
    x^7/2 x (x) = x^9/2 ?
    x^a \cdot x^b=x^{a+b}
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  3. #3
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    Re: Writing an expression to a power with positive exponents.

    Quote Originally Posted by gideonrichter View Post
    Can someone explain to me why...
    x^7/2 x (x) = x^9/2 ?
    Please use * for multiplication sign...plus brackets when necessary:
    x^(7/2) * x^1 = x^(7/2) * x^(2/2) = x^(7/2 + 2/2) = x^(9/2)
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