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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?

Correct answers: 277

The first user who solved this task is Donya Sayah30.

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Serving Two Masters

A Mormon acquaintance once pushed Mark Twain into an argument on the issue of polygamy. After long and tedious expositions justifying the practice, the Mormon demanded that Twain cite any passage of scripture expressly forbidding polygamy."Nothing easier," Twain replied. "No man can serve two masters."

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Lise Meitner

Born 7 Nov 1878; died 27 Oct 1968 at age 89. Austrian-Swedish physicist who shared the Enrico Fermi Award (1966) with the chemists Otto Hahn and Fritz Strassmann for their joint research beginning in 1934 that led to the discovery of uranium fission. She refused to work on the atom bomb. In 1917, with Hahn, she had discovered the new radioactive element protactinium. She was the first to describe the emission of Auger electrons. In 1935, she found evidence of four other radioactive elements corresponding to atomic numbers 93-96. In 1938, she was forced to leave Nazi Germany, and went to a post in Sweden. Her other work in the field of nuclear physics includes study of beta rays, and study of the three main disintegration series. Later, she used the cyclotron as a tool.

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