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What is the History of Pascal's triangle?
The set of numbers that form Pascal's triangle were well known before Pascal. But, Pascal developed many applications of it and was the first one to organize all the information together in his Traité du triangle arithmétique (1653). The numbers originally arose from Hindu studies of binomial numbers and the study of figurate numbers. The earliest explicit depictions of a triangle of binomial coefficients occur in the 10th century in commentaries on the Chandas Shastra, a book by Pingala written between the 5th and 2nd century BC.
What are coefficients of an expression?
A numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g., 4 in 4xy).
What is the correct way to write out decimals in words?
When writing a decimal out in words, the numbers before the decimal are written as if they are whole numbers, and the numbers after the decimal are read as digits. Therefore, for example, 150.35 is read one hundred and fifty point three five.
What is The amount of increase or decrease in a function usually written as a fraction?
When writing a function, the decreasing or increasing numbers are known as variables. Before those variables are known, they are written as alphabetical letters, often "x," "y" or "z."
What two numbers come before 639?
1 and 2 come before it.
