![]() ![]() identity law, which states that multiplication of any number by 1 results in the number.commutative law, which states that the order of multiplying terms will not change the answer.The laws of arithmetic and algebra for multiplication include: It is not necessary to know the names of the laws but rather that you can use the laws when doing mathematics. The facts were recorded a long time ago and are often referred to as laws. You have also learned that the same facts apply when you are working with variables. When you first learned to multiply, you probably learned some facts about multiplication with numbers. The choice of symbol depends on the writer and what the writer is describing. When multiplication is the operation used in algebra, it is the last three that are used most frequently. ‘( )’ ,brackets or parentheses, are used with only numbers, only variables or a combination of numbers and variables (e.g. ![]() In this case, the numbers are called “coefficients”. ‘ ’, no symbol, is used with variables or variables and numbers.‘ ⋅’, an interpunct, is used with numbers and variables (e.g.‘*’, an asterisk, is used in spreadsheets such as Excel (e.g.Multiplication is the one operation that can be represented using many different symbols. In a multiplication question, the quantities that are multiplied are called factors and the answer is a product. Multiplication is one of the 4 basic operations of arithmetic along with addition, subtraction and division. ![]()
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