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Calculate the number 5166

NUMBERMANIA: Calculate the number 5166 using numbers [8, 4, 2, 5, 28, 503] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 1

#brainteasers #math #numbermania

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Taking picture at museum

I was at a museum, and I asked a worker there if we were allowed to take pictures.

He told me no, as they had to stay on the walls.

Found on Twitter BytownMuseum posted on 16 Jun 2019

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Comte Claude Louis Berthollet

Born 9 Dec 1748; died 6 Nov 1822 at age 73.French chemist who was the first to note that the completeness of chemical reactions depends in part upon the masses of the reacting substances (1803); he thus came close to formulating the law of mass action. Though he incorrectly concluded that elements unite in all proportions, his resulting controversy with the chemist Joseph-Louis Proust led to the establishment of the law of definite proportions. He continued Carl Scheele's research on chlorine, showing in 1785 how it could be used for bleaching. He continued Joseph Priestley's investigation of ammonia, and was the first to show it was a compound of hydrogen and nitrogen. He discovered potassium chlorate.

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