C-14 has a half life if approximately 5700 years how many years will it take for the radioactivity of a sample to reach one-four
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The answer is
First you must use distributive property to simplify.
Then, you must subtract 18 on both sides
Next, add 2 on both sides
Then, subtract 8x on both sides
Finally, Divide both sides by -2. Don't forget to switch the equality sign because the variable was changed to a positive using division.