[URGENT]
Order of operations is defined as . a system for completing operations by doing them from left to right in the order that they are in a system for simplifying expressions that ensures that there is only one right answer a system for organizing the completion of operations based on the acronym PAMDES a system for helping to identify the best right answer out of many for a problem

a system for simplifying expressions that ensures that there is only one right answer

Step-by-step explanation:

Order of operations is used to simplify as much as possible to solve the equation easily.

Of all choices the second choice is the most accurate definition.

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

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