2. 5,730 A scientist uses the expression (2.5)•) to model the remaining in a different fossil t years after 20,000 BC. a. What do the 2.5, 5 , and 5,730 mean in this situation? 2 b. Would more or less than 0.1 picogram of carbon-14 remain in this fossil today? Explain how you know.

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9 SC Question 17 Five more than two-thirds of a number is one less than the number. What is the number? A. 18 B. 6 OC. 24 OD. 12 A Moving to another question will save this response. MacBook Pro a 6 #3 $ 4 % 5

8) Change each exponential statement to an equivalent statement involving a logarithm. a. 53 = 125 b. ac = b c. eh = d