What is the value of 4p² when p = 8?

To find the value of 4p² when p equals 8, we start by substituting 8 for p in the expression 4p².

1. First, we calculate p²:

p² = 8² = 64.

2. Next, we multiply this result by 4:

4p² = 4 × 64 = 256.

So, the value of 4p² when p = 8 is 256.