Chapter 4.2, Problem 23E

Find the sum and the product of each of these pairs of numbers. Express your answers as an octal expansion.

a) ${\left(\text{763}\right)}_{\text{8}},{\left(\text{147}\right)}_{\text{8}}$

b) ${\left(\text{6}00\text{1}\right)}_{\text{8}},{\left(\text{272}\right)}_{\text{8}}$

c) ${\left(\text{1111}\right)}_{\text{8}},{\left(\text{777}\right)}_{\text{8}}$

d) ${\left(\text{54321}\right)}_{\text{8}},{\left(\text{3456}\right)}_{\text{8}}$