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2.a)Find the prime factorizations of 90 and 168.
90 = 2 x 3 x 3 x 5
168 = ______ x ______ x _______ x _______ x _______.
100 = _______ x _______ x ______ x _______.
126 = _______ x _______ x _______ x _______.

Respuesta :

dalendrk
[tex]90|2\\45|3\\15|3\\.\ 5|5\\.\ 1|\\\\90=2\cdot3\cdot3\cdot5\\\\168|2\\.\ 84|2\\.\ 42|2\\.\ 21|3\\.\ \ 7|7\\.\ \ 1|\\\\168=2\cdot2\cdot2\cdot3\cdot7[/tex]

[tex]100|2\\.\ 50|2\\.\ 25|5\\.\ \ 5|5\\.\ \ 1|\\\\100=2\cdot2\cdot5\cdot5\\\\126|2\\.\ 63|3\\.\ 21|3\\.\ \ 7|7\\.\ \ 1|\\\\126=2\cdot3\cdot3\cdot7[/tex]

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