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What is the Order of Operations in mathematics?

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The Order of Operations is a set of rules that determines the sequence in which calculations are performed in a mathematical expression. The acronym PEMDAS is often used to remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

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How do you calculate the change in an account balance after multiple transactions?

Back

To calculate the change in an account balance, sum all deposits and subtract all withdrawals and fees. The formula is: Change = Total Deposits - Total Withdrawals - Fees.

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What does a negative result indicate when calculating account balance changes?

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A negative result indicates that the account balance has decreased, meaning more money was withdrawn or spent than was deposited.

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How do you interpret a word problem involving multiple steps?

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Break down the problem into smaller parts, identify the operations needed for each part, and apply the Order of Operations to solve it step by step.

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What is the significance of parentheses in mathematical expressions?

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Parentheses indicate that the operations contained within them should be performed first, according to the Order of Operations.

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What is the result of dividing a positive number by a negative number?

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Dividing a positive number by a negative number results in a negative number.

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How do you handle negative numbers in addition?

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When adding negative numbers, you combine their absolute values and the result is negative. For example, (-3) + (-5) = -8.

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What is the formula for calculating total cost when buying multiple items?

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Total Cost = (Price per Item x Quantity) - Discounts.

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How do you calculate the total depth of multiple descents in a word problem?

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To calculate total depth, sum the depths of each descent. If the submarine descends multiple times, add those values together.

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What is the effect of a coupon on the total price of an item?

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A coupon reduces the total price of an item by the coupon's value, which can affect the overall cost of a purchase.