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 March 13th, 2015, 02:54 PM #1 Member   Joined: Jan 2015 From: Norway Posts: 95 Thanks: 1 Ancient Number Systems Task 3.1 A)To=two Write as normal numbers A) i have no idea B) 200 + 30 + 1 = 231 C) 2*60^2 + 24*60 + 21 = 7200 + 1440 + 21 = 8621 D) 500 - 100 + 50 + 1 = 400 + 51 = 451
 March 13th, 2015, 03:07 PM #2 Math Team   Joined: Jul 2011 From: Texas Posts: 2,876 Thanks: 1502 $1101_2 = (1 \times 2^3) + (1 \times 2^2) + (0 \times 2^1) + (1 \times 2^0) = 8 + 4 + 0 + 1 = 13$
March 13th, 2015, 03:12 PM   #3
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Joined: Jan 2015
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Quote:
 Originally Posted by skeeter $1101_2 = (1 \times 2^3) + (1 \times 2^2) + (0 \times 2^1) + (1 \times 2^0) = 8 + 4 + 0 + 1 = 13$
Thanks again i understood it

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