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What comes first in an equation a variable or a number?
A variable comes after the number 2n+5n=7n
Which Expression represents the product of a number 5 and b?
The product of '5' and 'b' is '5b' Product is another word for multiplication. '5b' means '5' multiplied to 'b' NB The multiplication sign is never shown in algebra. NNB The number/coefficient always comes before the letter.
What is the rules of PEMDAS?
The rules of PEMDAS are 1. Parenthesis anything in them you do first. 2. Exponents those little numbers next to the number telling you to multiply the number by itself a certain number of times 3. Multiplication and Division whichever comes first and 4. Addition and Subtraction whichever comes first. If there is an exponent next to parenthesis but there is no number that means the answer to the parenthesis has to be the thing that the exponent is next to. All of the rules apply inside of the parenthesis as well. If there is a number next to the parenthesis not followed by a symbol multiply the answer to the parenthesis by that number.
How do classify the number 23?
Well, darling, 23 is a natural number that comes after 22 and before 24. It's also a prime number because it can only be divided by 1 and itself without leaving a remainder. So, in a nutshell, 23 is just a sassy little prime number strutting its stuff in the world of mathematics.
What number period comes after a billion?
trillion
