Write the number 195 in binary

Binary is base 2, which means that all binary numbers are represented as sequences of 0's and 1'sEach time you to add a zero to the end of a binary number, you multiply it by 2E.g. 1 = 20 = 1, 2 = 21 = 10, 4 = 22 = 100Even numbers which are not powers of 2 can be written in binary by 'decomposing' them into powers of 2.E.g. 5 = 4 + 1 = 22 + 20 = 100 + 1 = 101Now, 195 can be decomposed into powers of 2.195 = 128 + 67 = 128 + 64 + 3 = 128 + 64 + 2 + 1 = 27 + 26 + 21 + 20This means we need a 1 in then 1st, 2nd, 7th and 8th position of our binary numberSo 195 = 11000011

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