How many 4 digit numbers can you write using only the digits 2 and 5? With each digit having only 2 possibilities, the answer is 2 to the 4th power, which is 16. The 4 is because there are 4 digits. Think about the binary numbers 0000 to 1111, t â¦ here are 2 possibilities for each digit.
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1 Tuition, fees, books and supplies for a traditional four-year bachelor of science in nursing (BSN) typically cost $40,000 -$200,000 or more, depending on whether it is a public or private school and its reputation. Taking the NCLEX-PN exam license exam (either-PN or-RN) typically costs about $200, and state license fees can add another $75 -$200 or more, depending on the state. 2  However, many schools include these costs in their estimated fees for completing their program.