During the period from 2003 through 2010, gold prices doubled every 3 years (approximately). (a) What was the yearly growth factor for the price of gold during this period? (Round your answer to two decimal places.)   b) Explain in practical terms the meaning of the growth factor you found in part (a). A yearly growth factor of  ------?means that to find next year's gold price,  ----?- multiply exponentiate divide increase decrease this year's price by -----?

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