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I don't understant the third question in PS0: How do you represent the (decimal) integer 50 in, oh, "hexadecimal," otherwise known as "base-16"? Know that decimal is considered "base-10" (since it employs 10 digits, 0 through 9), and binary is considered "base-2" (since it employs 2 digits, 0 and 1).

what is decimal, and what is hexadecimal

thanks

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binary, octal, decimal, hexadecimal, etc are referred to as positional numeral systems. they are different ways of representing numeric values. they use something called a radix or a base. see https://www.youtube.com/watch?v=nrFHGtGdOzA for more information about hexadecimal!

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