The amount in dollars that is in the account after 50 years expressed in power is; 2⁹
We are told that the money doubles in value after every 10 years.
When the account was opened it had 2⁴ dollars in it and after 50 years it has doubled 5 times. The doubling increased by a factor of 2⁵ and is now has a balance of 2⁴ × 2⁵.
Using the rule of exponents, we have;
2⁴ × 2⁵ = 2⁹
Read more about Rule of Exponents at; https://brainly.com/question/11761858
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