Conversion of hexadecimal number 1D7F16 to a decimal number is

The correct answer is $\boxed{\text{D. }77810}$.

To convert a hexadecimal number to a decimal number, you can use the following formula:

$$decimal = \sum_{i=0}^{n-1} d_i \cdot 16^i$$

where $d_i$ is the $i$th digit of the hexadecimal number, starting from the right, and $n$ is the number of digits in the hexadecimal number.

In the case of the hexadecimal number $1D7F16$, we have:

$$decimal = 1 \cdot 16^3 + 13 \cdot 16^2 +

48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube