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If work is done on the system then it has a negative sign.

If work is done by the system then it has a positive sign.

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Q: How do you determine a work done is positive sign or negative sign?
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Continue Learning about Other Math

When you add a positive and negative number together how do you determine the sign of the answer?

You subtract smaller number from larger and take sign of the larger For example negative 7 + 4 = -3


How is dividing integers similar to multiplying integers with the resulting sign?

The rules for the sign (positive or negative) of the result of a multiplication is the same as division. For multiplication: Positive * Positive --> Positive Positive * Negative --> Negative Negative * Positive --> Negative Negative * Negative --> Positive For division: Positive / Positive --> Positive Positive / Negative --> Negative Negative / Positive --> Negative Negative / Negative --> Positive


When you multiply or divide two integers how can you determine whether the answere will be a positive or negative?

If the two numbers that are being multiplied or divided have the SAME sign, the answer is positive, if they have DIFFERENT signs, the answer will be negative.


What is the sign of the product of 11 negative integers and 2 positive integers?

The 2 positive integers don't affect the sign. Every time you multiply by a negative number, the sign changes, so you have negative, positive, negative, positive... Since the number of negative numbers is odd, the end result is negative.The 2 positive integers don't affect the sign. Every time you multiply by a negative number, the sign changes, so you have negative, positive, negative, positive... Since the number of negative numbers is odd, the end result is negative.The 2 positive integers don't affect the sign. Every time you multiply by a negative number, the sign changes, so you have negative, positive, negative, positive... Since the number of negative numbers is odd, the end result is negative.The 2 positive integers don't affect the sign. Every time you multiply by a negative number, the sign changes, so you have negative, positive, negative, positive... Since the number of negative numbers is odd, the end result is negative.


What is a negative squared by a positive?

Its a negative. same sign with multiplication is positive, opposite is negative.

Related questions

How can you determine the sign of the product when multiplying two or more integers?

If there are an odd number of numbers with a negative sign then the sign of the product is negative. Otherwise it is positive.


Which are the positive and negative?

The ones with the + sign are positive. The ones with the - sign are negative.


What is a positive and negative?

a positive has a + and a negative has a - sign


What is a negative multiplied by a negative?

negative*negative=positive negative/positive=negative negative\negative=positve negative-positive=change the sign to a plus and then change the number after the sign and get your answer negative +positive=which ever numbr is bigger minus positive+positive=positive


When you add a positive and negative number together how do you determine the sign of the answer?

You subtract smaller number from larger and take sign of the larger For example negative 7 + 4 = -3


How is dividing integers similar to multiplying integers with the resulting sign?

The rules for the sign (positive or negative) of the result of a multiplication is the same as division. For multiplication: Positive * Positive --> Positive Positive * Negative --> Negative Negative * Positive --> Negative Negative * Negative --> Positive For division: Positive / Positive --> Positive Positive / Negative --> Negative Negative / Positive --> Negative Negative / Negative --> Positive


Is the product of 33 negative numbers and 2 positive numbers a positive number or a negative number?

(The product of 33 negative numbers) x (2 positive numbers) = (negative sign) x (positive sign) = negative sign


When you multiply or divide two integers how can you determine whether the answere will be a positive or negative?

If the two numbers that are being multiplied or divided have the SAME sign, the answer is positive, if they have DIFFERENT signs, the answer will be negative.


What can you say about the sign of the sum of integers with unlike signs?

Positive + positive = positive Negative + negative = negative Positive + negative will take the sign of the number with the greater absolute value.


When you multiply a positive number by a negative what is the sign?

It's negative .Positive*Negative = NegativeNegative*Negative = Positive


What is the sign of the product of 11 negative integers and 2 positive integers?

The 2 positive integers don't affect the sign. Every time you multiply by a negative number, the sign changes, so you have negative, positive, negative, positive... Since the number of negative numbers is odd, the end result is negative.The 2 positive integers don't affect the sign. Every time you multiply by a negative number, the sign changes, so you have negative, positive, negative, positive... Since the number of negative numbers is odd, the end result is negative.The 2 positive integers don't affect the sign. Every time you multiply by a negative number, the sign changes, so you have negative, positive, negative, positive... Since the number of negative numbers is odd, the end result is negative.The 2 positive integers don't affect the sign. Every time you multiply by a negative number, the sign changes, so you have negative, positive, negative, positive... Since the number of negative numbers is odd, the end result is negative.


How do you determine the sign of a quotient two integers?

-- If the two integers have the same sign, their quotient is positive. -- If the two integers have different signs, their quotient is negative.