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



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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