How much money will be in a bank account after 4 years if $8 is deposited at an interest rate of 5%?

Assuming the 5% interest is compounded annually, multiply the deposit by 1.05 for each of the 4 years: $8 × 1.05⁴ ≈ $9.72. So the account will contain about $9.72, which is choice d.

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