Please answer these questions with all the work

1.3. What is the 16-bit FP number representation of − 5.375 in hex with 1-bit sign, 4-bit biased exponent, and 11-bit fraction, where bias = 7?

1.4. What is the real number equivalent to FP number 0x3400 with 1-bit sign, 4-bit biased exponent, 11-bit fraction, and bias = 7?

1.5. What is the real number equivalent to FP number 0x3400 with 1-bit sign, 4-bit biased exponent, 11-bit fraction, and bias = 8?