To convert the binary number $11110_2$ to decimal:

Each digit in a binary number represents a power of 2, starting from the rightmost digit (which represents $2^0$).

So for $11110_2$, we calculate:

$11110_2 = (1 \times 2^4) + (1 \times 2^3) + (1 \times 2^2) + (1 \times 2^1) + (0 \times 2^0)$ $= (1 \times 16) + (1 \times 8) + (1 \times 4) + (1 \times 2) + (0 \times 1)$ $= 16 + 8 + 4 + 2 + 0 = 30$

So, $11110_2$ in decimal is $30_{10}$.

Would you like more details or have any questions?

Here are 5 related questions:

1. How do you convert a larger binary number to decimal?
2. What is the decimal equivalent of $10101_2$?
3. How do you convert a decimal number to binary?
4. How can you perform binary addition?
5. What are the common uses of binary numbers in computing?

Tip: Always start converting binary numbers from the rightmost digit, as it represents the smallest power of 2.