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love history [14]
3 years ago
8

Write an expression that can be used to find 4x275 using mental math and properties of numbers

Mathematics
1 answer:
insens350 [35]3 years ago
3 0
(4 x 200) + (4 x 70) + (4 x 5)
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_____

<em>Additional comment</em>

If the original number is A∠β, the ratio is 1∠(2β), the square of the unit vector in the same direction as the original.

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