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Trash-ket Ball Chapter 7 Exponents and Logarithms
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Trash-ket ball 1 2 3 4 7 8 6 5 10 12 11 9 16 15 14 13 20 19 18 17 23 22 21 24 27 26 25 28 30 29 31 32 33 34 35
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1 Solve. 5 2x = 5 9x + 7 x = -1
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2 Solve. x = -2, 5
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3 Solve. x = 1 6
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4 Solve. 2 7x = 800
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5 Solve. log x 512 = 3 x = 8
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6 Solve. log 8 (3x - 6) = log 8 (9x + 23)
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7 Solve. log 7 (x 2 - 5) = log 7 (59)
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8 Solve. log 9 (x + 3) = log 9 2x x = 3
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9 Solve. 3 x = 72
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9 Use your calculator to find decimal for last answer.
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10 Solve. 7 2x +2= 21
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11 Solve. 3(5 3x )= 36
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12 Write in logarithmic form. 8 2 = 64 log 8 64 = 2
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13 Simplify the following
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14 Solve.
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15 Solve. 10, -10
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16 Write in exponential form.
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17 Write in exponential form. log 11 1331 = 3 11 3 = 1331
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18 Write in exponential form. log 5 625 = 4 5 4 = 625
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19 Write in exponential form.
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20 Evaluate -4
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21 Evaluate 2
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22 Evaluate 4
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23 Expand 2(log 3 27 + log 3 x) = 2log 3 27 + 2log 3 x log 3 (27x) 2
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24 Expand log x – log 9
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25 Condense
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26 Condense
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27 Evaluate. Round to 4 decimal places. log 11 52 1.6478
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28 log 5 8.7 1.3441 Evaluate. Round to 4 decimal places.
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29 log 6 21.7 1.7175 Evaluate. Round to 4 decimal places.
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30 log 13 28.3 1.3033 Evaluate. Round to 4 decimal places.
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31 Log(3x+1)=2 33 Solve.
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32 log 13 (x-1)=1 14 solve.
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33 ln (2x+3)=8 1488.97 Solve.
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34 log 4 x+ log 4 x+6=2 Evaluate. Round to 4 decimal places. 2
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35 Evaluate. Round to 4 decimal places. 1/2
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