Mathematics
Mathematics, 12.11.2019 19:31, azibur3191

Money that is collecting interest in a bank account doubles in value every 8 years. when the account was opened, it had 8, or2^{3} dollars in it. after 32 years, the account balance has doubled 4 times, increasing by a factor of 2^{4} it now has a balance of 2^{3}·2^{4}ex pressed as a power, how much money, in dollars, is in the account after 32 years?
a) 2^{4}
b) 2^{12}
c) 4^{7}
d) 2^{7 }

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Answers: 2

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