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These are called operators.
When doing a sum with more than one operator the rule is to multiply and divide first, and then do any addition or subtraction. A simple way to remember the order is "BODMAS."
'Brackets', 'other', 'division', 'multiplication', 'addition' and 'subtraction'.
(Other refers to powers and indices)
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Does plus minus mean plus?
Same mathematical signs equal plus Different mathematical signs equal minus Plus Plus = Plus (+)(+) = + Minus Minus = Plus (-)(-) = + Plus Minus = Minus (+)(-) = - Minus Plus = Minus (-)(+) = - So the direct answer to your question would be: plus minus equals minus
What is a positive integer times a negative integer?
negative read this : "MULTIPLICATION: minus times minus is plus (negative x negative = positive).....minus times plus is minus (negative x positive = negative).....plus times plus is plus (positive x positive = positive) DIVISION: minus divi minus is plus (negative ÷ negative = positive)......minus divi plus is minus (negative ÷ positive = negative).....plus divi plus is plus (positive ÷ positive = positive)"
Calculate the following 7 - -2 equals?
A minus and a minus makes a plus A plus and a plus makes a plus A minus and a plus or plus and a minus makes a minus 7 - -2 is a minus and a minus Therefore the answer is 7 + 2 = 9
What does a plus with a minus under it mean math?
A plus with a minus under it means "plus or minus" in math.
When you square a minus number does it stay a minus?
No, it becomes a plus, since minus x minus = plus
