Exam 1: Whole Numbers

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Write a word name for the number in the sentence. -Astronomers predicted that it would take 900,070,000,100 earth years for the newly found supernova to make one revolution around the center of its galaxy.

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Write exponential notation. - 131313131313 \cdot 13 \cdot 13 \cdot 13 \cdot 13

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Divide. -Divide. -

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Solve the problem. -The earth, Jupiter, Saturn, and Neptune all revolve around the sun. The earth takes 1 year, Jupiter approximately 12 years, Saturn approximately 30 years, and Neptune approximately 165 years to make a complete revolution. How often will Saturn and Neptune appear in the same direction in the night sky as seen from earth? [Hint: Find the LCM of 30 and 165]

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Solve the problem. -373 chocolates are to be packed into boxes, each of which will contain 12 chocolates. How many boxes of chocolates will there be? How many chocolates will be left over?

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Find the prime factorization of the number. -12

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Write standard notation for the number in the sentence. -The population of BigTown is one million, three hundred thirty- five thousand, five hundred six.

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Multiply. -Multiply. -

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Solve the problem. -At a national computer show, two software companies continuously run videos showing their products. Company A's video repeats every 6 minutes, while Company B's video repeats every 15 minutes. If both companies begin the videos at 1:00 P.M. when the show opens, how many minutes will elapse before they are in sync again?

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Find the LCM of the set of numbers. -6, 12, 18

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Use < or > for \square to write a true sentence. D raw a number line if necessary. - 153515371535 \square 1537

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Estimate the answer by rounding as indicated. -Estimate by first rounding to the nearest hundred. Estimate the answer by rounding as indicated. -Estimate by first rounding to the nearest hundred.

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Subtract. -95,007 - 15,656

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Subtract. -Subtract. -

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Find the area of the region. -Find the area of the region. -

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Estimate the sum or difference by first rounding as indicated. -Estimate by first rounding to the nearest thousand. Estimate the sum or difference by first rounding as indicated. -Estimate by first rounding to the nearest thousand.

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Solve. - 162÷2=q162 \div 2=q

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Solve the problem. -A community garden contains 30 rectangular plots each measuring 6 yd by 9 yd. What is the total area available for gardening?

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Divide, if possible. If not possible, write "not defined." - 2746÷62746 \div 6

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Simplify. - {5722][78÷(1+2)]}5\{57-2 \cdot 2]-[78 \div(1+2)]\} \cdot 5

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