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- Temporarily ignore the signs and multiply or divide as usual
- If signs of the two numbers to be multiplied or divided, add + sign to your answer. If signs are different, add - ( minus) to your answer.
- + signs are optional-- a number without a sign is assumed to be positive.

Q: What are the basic rules for multiplying and dividing sign numbers?

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The rules for dividing negative numbers is the same as multiplying them. A negative number multiplied/divided by a negative number is positive and a negative number multiplied/divided by a positive number is negative.

Adding integers, if they have the same sign, add their absolute values and keep the same sign. Subtracting, change the sign of the 2nd number and the add using rules of addition. Multiplying and dividing, Divide the absolute values, if the signs are the same the answer is positive, if the signs are different the answer is negative.

Positive x Positive = Positive: 3 x 2 = 6Negative x Negative = Positive: (-2) x (-8) = 16Negative x Positive = Negative: (-3) x 4 = -12Positive x Negative = Negative: 3 x (-4) = -12

Because it is.

In order to multiply fractions with variables, factor all numerators and denominators completely. Use the rules for multiplying and dividing fractions, cancel any common factors, and leave your final answer in factored form.

Related questions

The question has no sensible answer because its proposition is not true. Multiplication is commutative, division is not, so the rules are NOT the same.

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The rules are the same.

The rules for dividing negative numbers is the same as multiplying them. A negative number multiplied/divided by a negative number is positive and a negative number multiplied/divided by a positive number is negative.

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It wasn't necessary to 'create' any rules. They follow logically from the definition of exponents.

One use is shorthand for large numbers, eg the mass of the earth is 5960000000000000000000000 kg , which can be expressed as: 5.96 * 1024 kg there are also rules for multiplying / dividing exponential numbers

When multiplying something with exponents, you add it. When dividing something with exponents, you subtract it.

1. Find the value of the exponent. 2. Multiply or divide normally.

The rules are not the same.Multiplication is commutative whereas division is not.Multiplication is associative whereas division is not.