percentages

answer the following questions within steps.

1. a man put $10 into a bank at the beginning of 1900 at a compound interest of 8% per annum, compounded annually. how much can he get back at the end of 2003? (correct the answer to nearest cent.)

2. fill in the circles with the numbers 1-9, so that each row, each column and each main diagonal has sum 15.

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