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PEMDAS is an acronym to help you remember the order of operations in mathematical equations.First, you do expressions within Parenthesis and/or Exponents.Then, you do expressions involving Multiplication and/or Division.Finally, you do the expressions involving Addition and/or Subtraction.
wa sir
Rounded to two decimal places, 61/4 x 61/4 = 2.45. Due to the rules of adding exponents in a multiplication sum involving exponents, this is equal to 6(1/4 + 1/4) or the square root of 6.
That really depends how the numbers are expressed - you have to learn separately how to calculate with decimals, with fractions, with expressions involving square roots, etc.
Trigonometric identities involve certain functions of one or more angles. These identities are useful whenever expressions involving trigonometric functions need to be simplified.
In the same way that you would solve equations because equivalent expressions are in effect equations
PEMDAS is an acronym to help you remember the order of operations in mathematical equations.First, you do expressions within Parenthesis and/or Exponents.Then, you do expressions involving Multiplication and/or Division.Finally, you do the expressions involving Addition and/or Subtraction.
wa sir
Equations are said to be equivalent if they have the same solution. This definition also holds true in rational equations or equations involving rational expressions. For instance, the equations 2x = 14 and x - 3 = 4 are equivalent. Why? It's because they have the same solution, that is x = 7.
Key topics:Solving linear equations and inequalities.Systems of equations.Word problems involving algebraic expressions.
That's scientific notation. 300 = 3 x 102
The browser used for posting questions is totally useless for questions dealing with mathematics or many sciences because it strips out most symbols.What we can see is 4(3 2) and 4(3) 4(2) which I assume is meant ti be 4(3 + 2) and 4(3) + 4(2). These are equivalent expressions involving multiplication.
"Poloments" appears to be a misspelling. If you meant "polynomials," they are mathematical expressions with multiple terms involving variables and coefficients. Polynomials are commonly used in algebra and calculus.
Rounded to two decimal places, 61/4 x 61/4 = 2.45. Due to the rules of adding exponents in a multiplication sum involving exponents, this is equal to 6(1/4 + 1/4) or the square root of 6.
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6000 + 100 + 20 + 5
That really depends how the numbers are expressed - you have to learn separately how to calculate with decimals, with fractions, with expressions involving square roots, etc.