Write the expression using a single exponent.

2^8/ 2^7

2^1
2 8/7
2^56
2^15

2^(8-7) or 2^1

To write the expression using a single exponent, you can simplify it by subtracting the exponents:

2^8/2^7 = 2^(8-7) = 2^1

So the expression can be written as 2^1.