What is the binary equivalent for the decimal number 122 A 0

What is the binary equivalent for the decimal number 122?

A. 01111010

B. 01111011

C. 10111010

D. 10111011

Solution

Answer: A. 01111010

01111010 binary equivalent for the decimal number 122.

0 * 2 power 7 + 1 * 2 power 6 + 1 * 2 power 5 + 1 * 2 power 4 + 1 * 2 power 3 + 0 * 2 power 2 + 1 * 2 power 1 + 0 * 2 power 0  

0 + 64 + 32 + 16 + 8 + 2 = 122