Calculate the number 2942
[5934] Calculate the number 2942 - NUMBERMANIA: Calculate the number 2942 using numbers [3, 7, 4, 5, 49, 279] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 13 - The first user who solved this task is Nílton Corrêa De Sousa
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Calculate the number 2942

NUMBERMANIA: Calculate the number 2942 using numbers [3, 7, 4, 5, 49, 279] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
The first user who solved this task is Nílton Corrêa De Sousa.
#brainteasers #math #numbermania
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Kiss

At a dinner party, the speaker who was the guest of honor, was about to deliver his speech when his wife sitting at the other end of the table, sent him a piece of paper with the word “KISS” scribbled on it.
A guest seated next to the speaker said, “Your wife has sent you a KISS before you begin your speech. She must love you very much.” speaker replied, “You don't know my wife. The letters stand for “Keep It Short, Stupid.”

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Francium

In 1930, the element Fr (francium) was discovered, the last naturally occurring element to be found. It is the heaviest alkali metal atom, with atomic number 87. Marguerite Pereyjoined (Oct 1929) the Institut du Radium in Paris in Oct 1929 as a technician for Marie Curie. Perey worked for years on actinium, which was anticpated to produce the new element by alpha decay. Finally, she was able to make thefirst entry about francium in her lab notebook on 7 Jan 1939, recording its half-life as about 20 minutes. A note in the Comptes Rendus was presented at the Académie des Sciences by Jean Perrin (9 Jan 1939). In his periodic table, Mendeleev anticipated its discovery, and provisionally named it eka-cesium. Perey gave it the name “francium.” She first used the symbol Fa, but changed it to Fr.«[Previously on this site as discovered 11 Jan 1930.]
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