rachelrios743 rachelrios743

17-02-2015
Mathematics

contestada

how do i solve 89 times 69

Respuesta :

Аноним Аноним

17-02-2015

89 x 69 = 6141
hope this helps!!!!!!!!!!

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Аноним Аноним

17-02-2015

[tex]89\cdot 69\\ \\ =\left( 90-1 \right) \left( 70-1 \right) \\ \\ =90\cdot 70-90-70+1[/tex]

[tex]\\ \\ =6,300-160+1\\ \\ =6,140+1\\ \\ =6,141[/tex]

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