The binary decimal of 10100 is:

A. 20(200)
B. 20(10) 
C. 100(100)
D. None of these

🧠 Explanation (Math):

Given: Convert binary $10100_2$ to decimal
Step 1: Expand in powers of 2 ⇒ $1cdot16+0cdot8+1cdot4+0cdot2+0cdot1$
Step 2: Compute ⇒ $16+4=20$
Final Answer: 20(10)