Multiple choice technology

octal representation of decimal equivalent of 57 is ?

  1. 75

  2. 17

  3. 71

  4. 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.