How would you write the base 10 number 488 in base 5

Question

Problem:

Question 1: Add 6 + 7 in 8-bit binary.

Question 2: Multiply 4 x 16 in 8-bit binary.

Question 3: Write -91.4375 in 32-bit internal single precision binary format.

Question 4: What is the base 10 number represented in 32-bit internal single precision binary format by: 01000010011010110100000000000000 ?

Question 5: How would you write the base 10 number 488 in base 5?

Please solve the problems one by one.