Multiple choice technology octal representation of decimal equivalent of 57 is ? 75 17 71 55 Reveal answer Fill a bubble to check yourself C Correct answer Explanation To convert decimal 57 to octal, divide by 8: 57 ÷ 8 = 7 remainder 1. Reading the remainders from last to first gives 71. Verification: 7×8¹ + 1×8⁰ = 56 + 1 = 57.