The volume in milliliters is 7357.8 mL.
What is a conversion factor?
The term conversion factor refers to the factor that could be used to express the measurement in one unit conveniently in a different unit. This is very important to ensure that the meaning of the measurement can easily be grasped and adapted to different settings.
Now we have the volume of the ball as 449 cubic inches and we know that;
1 cubic inch = 16.3871 milliliter
449 cubic inches = 449 cubic inches * 16.3871 milliliter /1 cubic inch
= 7357.8 mL
Learn more about conversion factor:https://brainly.com/question/20822566
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