1. What would be the IEEE 754 single precision floating point representation of -12345.6789098765432110^11? Express your final answer as an 8-hexdigit number (in big-endian format) and explain/show your work for full credit.

2. What decimal floating point number does this big-endian IEEE 754 single precision number represent: 0x1F2E_ 3D4C? Write your decimal number in scientific notation, i.e., of the form [-] d.ddddddddddddddd10^e where d represents a decimal digit and there is an option leading negative sign. Write exactly 15 digits after the decimal point and round the final digit if necessary.

3. What would be the IEEE 754 double precision floating point representation of 3.786590431221345 10^123. Express your final answer as a 16-hexdigit number (in big-endian format) and explain how your answer was obtained for full credit.