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Evaluate each expression | 9?
Evaluate each expression. | 9 | = -9 because Multiplying and Dividing with Positive and Negative Numbers. ... When the signs of the two numbers are the same, the answer will be positive. When the signs of the two numbers are different, the answer will be negative.
How do you know the correct order in which to evaluate algebraic expressions?
You need to memorize some rules. For instance, multiplication and division have a greater priority than addition and subtraction; parentheses are used to change the priority.-----------------------------------Students often learn this mnemonic: "Please Excuse My Dear Aunt Sally" .Do the operations in this order:1st, simplify what's in Parentheses. This includes fraction bars, absolute value signs and radical signs.2nd, evaluate powers ("Exponents") .3rd, do all Multiplications and Divisions in order from left to right.4th, do all Additions and Subtractions in order from left to right.Once you get used to applying "Aunt Sally's Rule", you'll find it's pretty hard to beat!
How do you add numbers with different signs?
You add all the numbers with + signs and subtract all that have minus signs.
What kind of addition signs are there?
There are allot of different signs such as+
Name the rule for dividing integers with different signs?
The value of the quotient of two integers with different signs is the same as if the signs were the same. Because the numbers have different signs, the quotient is negative.
