what is the present value of the following? use appendix b as an approximate answer, but calculate your final answer using the formula and financial calculator methods. $7,800 in 6 years at 10 percent? note: do not round intermediate calculations. round your final answer to 2 decimal places. $16,500 in 3 years at 7 percent? note: do not round intermediate calculations. round your final answer to 2 decimal places. $25,700 in 9 years at 8 percent? note: do not round intermediate calculations. round your final answer to 2 decimal places.

On the majority of general-purpose calculators, the immediate execution mode of operation—also referred to as the single-step, algebraic entry system (AES)[7] or chain computation mode—is often used. The order of operations in a mathematical expression is not taken into account by the majority of simple four-function calculators, including those found in most early operating systems and the Windows calculator in Standard mode. Instead, each binary operation is carried out immediately after the next operator is pressed. Most contemporary software calculators, notably the Scientific mode in the Windows calculator, contain buttons for brackets and can take operation order into consideration. Scientific calculators also have these features.

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