Please show all the required work...thank you so much

3. Given the following binary sequence: 1101101012 1) (5 pts) What's the value in decimal if this is an unsigned number? 2) (5 pts) What's the value in decimal if this is an 8-bit 2 's complement signed number? 3) (10 pts) What's the value in decimal if this is an 8-bit floating point number? Suppose k=4 exponent bits, n=3 fraction bits (no bias is considered). Show vour work