DirtDawg88 DirtDawg88

25-08-2015
Mathematics

contestada

Use properties to find the sum or product for 3x78

Respuesta :

Аноним Аноним

25-08-2015

3 x 78

= 3 x (70+8)

= 210 + 24

= 234

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Аноним Аноним

27-08-2015

[tex]3\times78\\-----------------\\78=70+8\\-------------------\\=3\times(70+8)\\------------------------\\use\ distributive\ property:a(b+c)=ab+ac\\--------------------------\\=3\times(70)+3\times(8)=210+24=\huge\boxed{234}[/tex]

Answer Link

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