Answer
about $1.7 million
Work Step by Step
Step 1: The approximate spread in lifetime prize money between Lindsay Davenport and Venus Williams refers to the approximate difference in the lifetime prize money of both tennis players.
Step 2: As shown by the graph, the approximate lifetime prize money of Lindsay Davenport is 22.1 million dollars.
Step 3: As shown by the graph, the approximate lifetime prize money of Venus Williams is 20.4 million dollars .
Step 4: The difference between the two amounts is 22.1 million - 20.4 million= 1.7 million dollars.