#### Answer

-1.36

#### Work Step by Step

Using the change of base formula, we find:
$$\frac{log(9/40)}{log(3)} = -1.36$$

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Published by
McDougal Littell

ISBN 10:
0618595414

ISBN 13:
978-0-61859-541-9

-1.36

Using the change of base formula, we find:
$$\frac{log(9/40)}{log(3)} = -1.36$$

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