18 cannot be a binary number as binary numbers are base two and each digit can only be 0 or 1.
If you are asking what is 18 in base 10 converted to base 2, then:
18 ÷ 2 = 9 r 0
9 ÷ 2 = 4 r 1
4 ÷ 2 = 2 r 0
2 ÷ 2 = 1 r 0
1 ÷ 2 = 0 r 1
reading the remainders in reverse order → 1810 = 100102
Decimal 18 is 10010 in binary
Binary form of 18 is "10010"
Expressed as a decimal fraction, 18/100 is equal to 0.18.
The product of the binary numbers 0110 (which is 6 in decimal) and 0011 (which is 3 in decimal) can be calculated by performing binary multiplication. The result is 001110 (which is 18 in decimal). Therefore, the product of 0110 and 0011 is 001110.
.18
Decimal 18 is 10010 in binary
Expressed as a decimal, this is equal to 0.18.
54
Binary form of 18 is "10010"
.055555.......
Expressed as a decimal fraction, 18/100 is equal to 0.18.
18/20 in decimal form = 0.9
.18
1.8
Expressed as a decimal, 9/18 is equal to 0.5.
Expressed as a decimal, 18/25 is equal to 0.72.
decimal form of 12 over 18 = 0.6667