Conversion of decimal number 9310 to hexadecimal number is A. 2D16 B. 5D16 C. 6216 D. 3116 E. None of the above

The correct answer is $\boxed{\text{C}}$.

To convert a decimal number to hexadecimal, you can use the following steps:

1. Divide the decimal number by 16.
2. Write down the remainder.
3. Divide the quotient by 16 again.
4. Write down the remainder.
5. Continue dividing and writing down the remainders until the quotient is 0.
6. Write the remainders in reverse order to get the hexadecimal number.

For example, to convert 93 to hexadecimal, we would do the following:

1. $93 \div 16 = 5 \text{ R } 13$
2. $5 \div 16 = 0 \text{ R } 5$
3. $0 \div 16 = 0 \text{ R } 0$

The remainders are 5 and 13, so the hexadecimal number is $5D$.

Here is a table of the first 16 hexadecimal digits:

Decimal | Hexadecimal
——- | ——–
0 | 0
1 | 1
2 | 2
3 | 3
4 | 4
5 | 5
6 | 6
7 | 7
8 | 8
9 | 9
A | 10
B | 11
C | 12
D | 13
E | 14
F | 15