Exam 5: Signed Numbers and Powers of 10

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Perform the indicated operations: (-11) + (29) + (-58)

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Which integer is called the additive identity?

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What other phrase is used to describe the opposite of a number?

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Subtract: -6 - 6

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Multiply: 0(-12)

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Multiply: -28 · 0

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Add: (-8)+ 6

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What is the opposite of 7?

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Is -2 more than or less than -1?

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Football statistics keep track of yards gained and lost during time of possession of the football as well as for the entire game. During one series, a team had a gain of 5 yards, a loss of 12 yards, a gain of 25 yards, and a loss of 2 yards. Express this as a sum of signed numbers and determine the sum.

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Evaluate the following: -36 + 18 - 32

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You open a new bank account by depositing $205. You then write checks for $37, $42, and $61, followed by a deposit of $58. What is your new balance?

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Which of the following has no opposite?

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Sharon watched her stock for several days starting with a value of $25. If her stock rose $4, dropped $8, rose $11, dropped $6, rose $2, dropped $9, and rose $15, what was the value of her stock at the end of the 7 days?

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Nike reported a profit of $28,951,000 for one quarter (3 months), a profit of $20,570,000 for the second quarter, a profit of $15,342,000 the third quarter, and a loss of $48,037,000 for the fourth quarter. What was the net profit for the year?

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Evaluate the following: -3(-4)(-5)

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Evaluate: 4 - 7 - 2 + 11 - 8 + 4

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 Find the value of 32\text { Find the value of } | - 32 |

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Subtract: 6 - 10

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What is the opposite of -3?

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