Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_16409745_1 (dpi VARCHAR, dimensions__mm_ VARCHAR)
### Question:
What is the dpi of a scanner with the mm dimensions 280 x 95 x 40?
### Answer:
SELECT dpi FROM table_16409745_1 WHERE dimensions__mm_ = "280 x 95 x 40"