True/False
Indicate whether the sentence or statement is true
or false.
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1.
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If
 were placed in order from least to greatest, would
 be first?
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2.
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If
 , and  were placed in order from
greatest to least, would  be first?
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3.
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-5.475 as a ratio of two integers in lowest terms is 
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4.
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Evaluate each of the following expressions as being either true or
false.
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5.
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6.
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7.
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8.
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9.
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10.
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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11.
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In a
recent year the population of Uruguay was 3 200 000 and the population of Nepal was
23 100 000. Express each number in scientific notation. a. | | c. | | b. | | d. | 3.2 million,
19.3 million | | | | |
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12.
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Express in standard form. a. | 82 400
000 | c. | 8 240 000
000 | b. | 0.000 000 082
4 | d. | 824 000
000 | | | | |
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13.
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Find
the value of x. 
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14.
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The
diameter of a very thin copper wire is 0.000 012 5 cm.
Express this
diameter in scientific notation.
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15.
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Kim
has invested a certain amount of money in stocks and bonds. The annual return from these investments
is $620. If the stocks produce $200 more in returns than the bonds, how much money does Kim receive
annually from each type of investment? a. | $400 from stocks, $220 from
bonds | c. | $410 from
stocks, $210 from bonds | b. | $210 from stocks, $410 from
bonds | d. | $430 from
stocks, $190 from bonds | | | | |
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16.
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Write
–5.775 as a ratio of two integers in lowest terms.
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17.
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Subtract.
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18.
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Evaluate a - b for a = 3.4 and b = –3.9.
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19.
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Ivana
bought a shirt for $43.42, a CD for $18.63, and batteries for $4.04. How much did she spend,
excluding taxes? a. | $67.19 | c. | $66.09 | b. | $67.09 | d. | $66.19 | | | | |
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20.
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Evaluate.
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Matching
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a. | 2 | e. | 12 | b. | 9 | f. | 5 | c. | 3 | g. | 4 | d. | 7 | h. | 11 | | | | |
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21.
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Evaluate 
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22.
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Evaluate 
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23.
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Evaluate 
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24.
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Evaluate 
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Evaluate for m = 4 and p = 5.
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25.
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 .
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26.
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Mach
the following answers to the correct expression.
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27.
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9 - 4
x 2
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28.
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-4
÷ 2 + 6
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29.
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30.
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