The octal number 347 can be represented as:
3×82+4×81+7×80.
Now, let’s calculate:
3×64+4×8+7×1
=192+32+7
=231.
Therefore, the decimal equivalent of the octal number 347 is 23110.
To convert the decimal number 231 to hexadecimal, we can use the repeated division method. Here are the steps:
231÷16=14 remainder 7.
Now, divide the quotient (14) by 16:
14÷16=0 remainder 14.
The remainder 14 represents the most significant hexadecimal digit, which is E in hexadecimal.
Therefore, the decimal number 231 is equivalent to the hexadecimal number
E716.