Calculate the number 6709
[6883] Calculate the number 6709 - NUMBERMANIA: Calculate the number 6709 using numbers [2, 4, 5, 7, 61, 898] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 10 - The first user who solved this task is Nasrin 24 T
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Calculate the number 6709

NUMBERMANIA: Calculate the number 6709 using numbers [2, 4, 5, 7, 61, 898] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
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Special gift

An older, white haired man walked into a jewelry store one Friday evening with a beautiful young gal at his side.

He told the jeweler he was looking for a special ring for his girlfriend.The jeweler looked through his stock and brought out a $5,000 ring and showed it to him.

The old man said, "I don't think you understand, I want something very special." 

At that statement, the jeweler went to his special stock and brought another ring over. 

"Here's a stunning ring at only $40,000," the jeweler said. 

The young lady's eyes sparkled and her whole body trembled with excitement. 

The old man seeing this said, "We'll take it." 

The jeweler asked how payment would be made and the old man stated by check. "I know you need to make sure the check is good, so I'll write it now and you can call the bank on Monday to verify the funds and I'll pick the ring up Monday afternoon," he said. 

Monday morning, a very teed-off jeweler phoned the old man. "There's no money in that account." 

"I know", said the old man, "but can you imagine the weekend I had?"

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Julius Lothar Meyer

Born 19 Aug 1830; died 11 Apr 1895 at age 64. (Julius) Lothar Meyer was a German chemist who discovered the Periodic Law, independently of Dmitry Mendeleyev, at about the same time (1869). However, he did not develop the periodic classification of the chemical elements as thoroughly as Mendeleyev. Meyer trained originally in medicine and chemistry. He examined the effect of carbon monoxide on blood. In 1879, Meyer compared atomic volume to atomic weight. Plotted on a graph, the curve showed the periodicity of the elements. He also established the concept of valency by indicating that a given element combined with a characteristic number of hydrogen atoms, and coined the terms like univalent, bivalent, and trivalent, based on that number.«
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