1st Period-Sum of a Geometric Series Practice

1.  Kiran plans to save $200 per year. Bank A would pay 6% interest, and Bank B would pay 4% interest (both compound annually). How many years will it take to save  $10,000 if he uses Bank A? Bank B?

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Find the sum of the first 20 terms of the sequence :

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Find the sum of the first 20 terms of the sequence:

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Find the sum of the first 20 terms of the sequence:

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Diego wonders how much money he could save over 25 years if he puts $150 a year into an account with 4% interest per year compounded annually. He calculates the following, but thinks he must have something wrong, since he ended up with a very small amount of money. What did he do wrong in his calculation?

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Which one of these equations is equivalent to:

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Is the following equation an identity? Explain or show your reasoning.

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Is the following equation an identity? Explain or show your reasoning.

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A medicine is prescribed for a patient to take 700 mg every 12 hours for 5 days. After 12 hours, 4% of the medicine is still in the body. How much of the medicine is in the body after the last dose?

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