Where would 129 be on a mod 13 clock (which goes from 0 to 12)? What is the remainder when 129 is divided by 13?

The steps to convert 18 over 8 to a decimal are shown below: Division is shown with divisor 8 and quotient 2.35 and dividend 18. The numbers below 18 in sequence are subtract 16 labeled as Step 1, 20, subtract 16 labeled as Step 2, 40 labeled as Step 3, subtract 40, and 0 labeled as Step 4. In what step is the first error?

501 a. Find 200' mod 17 b. Find inverse of 7 mod 31.

Perform the division of 420/15 in binary.

Which of the following represents the expression as a single power? Show all work and needed asap!

compute the following sun using 11 clock arithmetic: Show all your work. 7 + 8(11clock)