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QUIZ 8: SECTIONS 5.1, 5.2, 5.3; Go to: http://www.nvaphysics.com/SessionGrades/Math104/SP12/CHAPTER5.htm to see online Chapter 5 grid. No calculators!
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SECTION
5.1
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1. Identify
the digit that has the given place: 0.9347 (i)
hundredths (ii) thousandths (iii)
ten-thousandths
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On the next 3 problems, see examples 5 and 6 and
online Chapter 5
grid.
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2. Write
decimal as a fraction or mixed number in lowest terms: 31.99
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3. Write
decimal as a fraction or mixed number in lowest terms: 0.08
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4. Write
decimal as a fraction or mixed number in lowest terms: 0.805.
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SECTION
5.2
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5. Round
to the nearest ten-thousandth: 96.81584
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6. Round
to the nearest ten-thousandth: 96.81587
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7. Round
to the nearest hundredth: 0.499
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8. (a) Round
to the nearest cent: $1.227 (b) Round to the nearest dollar:
$410.65
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SECTION
5.3
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No
calculators! Show all work including borrowing (in the case of
subtraction) or carry-overs (in the case of addition). SEE MY
LECTURE
NOTES
WRITTEN ON BLACKBOARD. In each case below, you would re-
write the problems vertically and align the places as I did in class.
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9. (a) 15.24
+ 8 + 75.62 + 18.615 + 0.276
(b) Subtract 9.349 from 16
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For the next
3 problems find the sum or difference:
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10. 0.9 – 6.79
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11. -6.009
+ 0.54
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12. 7000 –
(7003.64 - 7)
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