Overall okay :) I am a bit confused on this: Do ask: On a scale of 1 (not likely at all) to 10 (very likely) how likely would you be to use the product? Why?

Overall okay :) I am a bit confused on this: Do ask: On a scale of 1 (not likely at all) to 10 (very likely) how likely would you be to use the product? Why? On a scale of 1 (not likely at all) to 10 (very likely), how likely would you be to use the product if it did x? Why? How does a 10 point scale reflects the performance of a product?