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Is everything a abstract or concrete noun?
The word 'everything' is not a noun.The word 'everything' is a pronoun, a word that takes the place of a noun in a sentence.The pronoun 'everything' is an indefinite pronoun a word that takes the place of an unknown or unnamed number of things.
Is a variable a letter or a number?
Letter
Letter used to represent a number?
A letter used to represent a number is a variable of sometimes a constant.
What do you get if round to nearest tenth 5.19?
5.19 rounded to the nearest tenth is 5.20. The first number after the decimal point (in 5.19 it is 1) is the tenths place; the number after that is the hundredths place. If the number in the hundredths place is 4 or below, then the tenths place simply remains the same, but if the hundredths place is 5 or above, then the tenths place is rounded up to the next number.
What Is A Coeffecient?
Coefficients are the numbers directly in front of a variable. Variables are letters in place of numbers in a mathematical problem . For example the expression, "2x" has a variable and a coefficient. The variable is the letter x, and the coefficient is the number 2. The coefficient is NEVER a letter, and is always a number. Coefficients and variables can be used in both scientific and algebraic expressions.
