Binary number
Binary number is system number who have 2 digit numbers, which is 0 and 1. Binary number base 2 numeral system.
Binary number weights
20 = 1 → first digit, weights one
21 = 2 → second digit, weights two
22 = 4 → third digit, weights four
23 = 8 → fourth digit, weights eight
24 = 16 → fifth digit, weights sixteen
etc.
Example 1:
Convert binary number 110 to decimal number
Completion:
110 (2) = ? (10)
0 → 0 × 20 = 0
1 → 1 × 21 = 2
1 → 1 × 22 = 4
110 → 0 + 2 + 4 = 6
110 (2) = 6 (10)
Example 2:
Convert binary number 11010 to decimal number
Completion:
11010 (2) = ? (10)
0 → 0 × 20 = 0
1 → 1 × 21 = 2
0 → 0 × 22 = 0
1 → 1 × 23 = 8
1 → 1 × 24 = 16
11010 → 0 + 2 + 0 + 8 + 16 = 26
11010 (2) = 26 (10)
Binary number weights
20 = 1 → first digit, weights one
21 = 2 → second digit, weights two
22 = 4 → third digit, weights four
23 = 8 → fourth digit, weights eight
24 = 16 → fifth digit, weights sixteen
etc.
Example 1:
Convert binary number 110 to decimal number
Completion:
110 (2) = ? (10)
0 → 0 × 20 = 0
1 → 1 × 21 = 2
1 → 1 × 22 = 4
110 → 0 + 2 + 4 = 6
110 (2) = 6 (10)
Example 2:
Convert binary number 11010 to decimal number
Completion:
11010 (2) = ? (10)
0 → 0 × 20 = 0
1 → 1 × 21 = 2
0 → 0 × 22 = 0
1 → 1 × 23 = 8
1 → 1 × 24 = 16
11010 → 0 + 2 + 0 + 8 + 16 = 26
11010 (2) = 26 (10)
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