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Q: How do geologists use fossils to determine rock ages? What are these fossils called?
A: Paleontologists determine the age of fossils by using two main methods of dating; comparative or relative dating infers the age of the fossil by determining the age of the rock where the fossil was found; absolute or chronometric dating uses the [ radioactive decay of isotopes in the rock to determine the geologic age. The procedures for measuring radioactive decay are complex and require the
use of expensive scientific equipment; however, by utilizing the available data from previously dated materials, you can determine the approximate age of similar specimens from other locations. Read more: How to Determine the Age of a Fossil | eHow.com ]
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-6 - 3 (2k + 4) = 18 what does k equal.
Weegy: -3 (More)
Question
Updated 1/9/2015 3:00:16 PM
-6 - 3(2k + 4) = 18;

-6 - 6k - 12 = 18;

-6k -18 = 18;

-6k = 18 + 18;

-6k = 36;

k = -36/6;

k = -6
Confirmed by sujaysen [1/9/2015 3:01:24 PM]
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