Convert a decimal number (342.6875)_{10} into its equivalent binary, octal, and hexadecimal numbers.
The integer part is: (342)_{10}=(101010110)_{2}=(526)_{8}=(156)_{16}
The fractional part is: (0.6875)_{10}=(0.1011)_{2}=(0.54)_{8}=(0.B)_{16}
Thus, (342.6875)_{10}=(101010110.1011)_{2}=(526.54)_{8}=(156.B)_{16} .