janvierjemima02 janvierjemima02

20-09-2015
Mathematics

contestada

can someone show me how to simplify a fraction with a positive exponent

Respuesta :

21-09-2015

[tex] \frac{a^b}{a^c} = a^{b-c}[/tex]

For example,

[tex] \frac{5^7}{5^3} = 5^{7-3} = 5^4 = 5\times 5\times 5\times 5 = \boxed{625}[/tex]

Hope that helps :)

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