Q: When do you use the addition rule?

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To calculate the probabilities of compound events, you can use the multiplication rule or the addition rule, depending on whether the events are independent or mutually exclusive. The multiplication rule is used when the events are independent, and you multiply the probabilities of the individual events. The addition rule is used when the events are mutually exclusive, and you add the probabilities of the individual events.

negetive integers are not closed under addition but positive integers are.

If the vectors form a polygon, their sum is zero..

The answer to this question is... We use addition in every day life for work and shops

PEMDAS RULE IS parentheses,exponent,multiplication,division,addition,subtraction

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the spelling

To calculate the probabilities of compound events, you can use the multiplication rule or the addition rule, depending on whether the events are independent or mutually exclusive. The multiplication rule is used when the events are independent, and you multiply the probabilities of the individual events. The addition rule is used when the events are mutually exclusive, and you add the probabilities of the individual events.

negetive integers are not closed under addition but positive integers are.

If two events A and B are mutually exclusive, the special rule of addition states that the probability of one or the other event's occurring equals the sum of their probabilities. This rule is expressed in the following formula:Special Rule of Addition(5-2)Equation 5-2

"and" means multiplication "or" means addition

Historians use the time and place rule to determine how close to the event was the person describing the event and how much time was between the event and when the event was described. In addition, they use the bias rule. Documents must be compared with relatedsources and pieces of evidence.

Mutually exclusive events.

The rule(s) depend on whether you are looking at multiplication/division, addition or subtraction.

The precedence rule PEMDAS which is a mnemonic for Parentheses Exponentiation Multiplication Division Addition Subtraction

yes

If the vectors form a polygon, their sum is zero..

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.