blazeer blazeer

23-10-2020
Mathematics

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what is 428 x 27 need help

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hnori22003 hnori22003

23-10-2020

[tex]428 \times 27 = (400 + 28) \times 27 = \\ [/tex]

[tex]400 \times 27 + 28 \times 27 = [/tex]

[tex]10800 + (27 + 1)(27) = [/tex]

[tex]10800 + 27 \times 27 + 27 \times 1 = [/tex]

[tex]10800 + 729 + 27 = 11556[/tex]

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