Final answer:
The expressions that have a value of 1 are

Step-by-step explanation:
The expressions that have a value of 1 are:
- a)
- 4 raised to the power of -1 is equal to 1/4, which is equal to 0.25. - b)
: 4 raised to the power of 0 is equal to 1. - c)
: 4 raised to the power of 1 is equal to 4. - d)
: When you divide a number by itself, the result is always 1. Therefore,
divided by
is equal to 1.