i need hel peith A and B

2. (20 pts each) Given the following 32 bit sequence (copied below): 0 1000001010010000000 0 0 0 0 0 0 0 0 0 0 0 0 Sign exponent and mantissa components A. If the sequence represents a signed magnitude floating point value using the IBM format discussed in class, what is the base 10 floating point value of the sequence? 0 1000001010010000000000000000000 Sign exponent and mantissa components B. If the sequence represents a signed magnitude floating point value using the IEEE 754 single precision format discussed in class, what is the base 10 floating point value of the sequence