Can you see it? Can you not?

1 × 8 = 8 11 × 88 = 968 111 × 888 = 98568 1111 × 8888 = 9874568 11111 × 88888 = 987634568 111111 × 888888 = 98765234568 1111111 × 8888888 = 9876541234568 {\color{#302B94}{1 \times 8}} = 8 \\ {\color{#BA33D6}{11 \times 88}} = 968 \\ {\color{#69047E}{111 \times 888}} = 98568 \\ {\color{#E81990}{1111 \times 8888}} = 9874568 \\ {\color{#EC7300}{11111 \times 88888}} = 987634568 \\ {\color{#D61F06}{111111 \times 888888}} = 98765234568 \\ {\color{#3D99F6}{1111111 \times 8888888}} = 9876541234568

It seems like there's a pattern here, but is the statement below also true?

1111111111 × 8888888888 = 9876543208901234568 {\color{#20A900}{1111111111 \times 8888888888}} = 9876543208901234568

False True

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1 solution

Faizan Khan
Nov 7, 2018

1111111111 x 8888888888 = 9876543207901234568

WHERE IS THE PROOF!

Mohammad Farhat - 2 years, 7 months ago

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Easiest proof is to use a calculator:p

You can calculate 12345678987654321 × 8 12345678987654321\times8

X X - 2 years, 7 months ago

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