Remember the golden rule: BIMDAS.
If you haven't heard it before B means bracket, I means indices, M means multiplication, D is division, A is Addition and S is subtraction.
So to answer your question multiplication comes before addition.
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PEMDAS. Parenthases, exponent, multiplication, division, addition, subtraction. Do parenthases first then exponents. Multiplication and divison are left to right. Then it's addition and subtraction, left to right. Hope I helped!
Within parentheses or similar symbols, the same rules apply as when you don't have parentheses. For example, multiplication and division have a higher priority (or precedence) than addition and subtraction.Within parentheses or similar symbols, the same rules apply as when you don't have parentheses. For example, multiplication and division have a higher priority (or precedence) than addition and subtraction.Within parentheses or similar symbols, the same rules apply as when you don't have parentheses. For example, multiplication and division have a higher priority (or precedence) than addition and subtraction.Within parentheses or similar symbols, the same rules apply as when you don't have parentheses. For example, multiplication and division have a higher priority (or precedence) than addition and subtraction.
"PEMDAS" P- Parentheses E- Exponents M- Multiplication D- Division A- Addition S- Subtraction Note: multiplication and division are interchangeable. addition and subtraction are also interchangeable. parentheses THEN must stay the same, though.
A matrix is a rectangular array of elements - usually numbers. These, together with rules governing their addition and multiplication make up matrix algebra or system.
Precedence rules specify priority of operators (which operators will be evaluated first, e.g. multiplication has higher precedence than addition, PEMDAS).The associativity rules tell how the operators of same precedence are grouped. Arithmetic operators are left-associative, but the assignment is right associative (e.g. a = b = c will be evaluated as b = c, a = b).