Nelly owns farm land that has an area of 4.2 × 102 acres. each year, the farm produces 6.72 × 104 bushels of corn. what is the average amount of corn produced per acre represented in scientific notation?

a.
2.82 × 107 bushels per acre
b.
1.6 × 102 bushels per acre
c.
1.6 × 103 bushels per acre
d.
2.82 × 106 bushels per acre
e.
1.6 × 101 bushels per acre

Consider the following geometry problems in 3-space enter t or f depending on whether the statement is true or false. (you must enter t or f -- true and false will not work.) f equation editorequation editor 1. a plane and a line either intersect or are parallel t equation editorequation editor 2. two planes parallel to a third plane are parallel f equation editorequation editor 3. two lines either intersect or are parallel f equation editorequation editor 4. two planes orthogonal to a third plane are parallel f equation editorequation editor 5. two planes orthogonal to a line are parallel f equation editorequation editor 6. two planes either intersect or are parallel f equation editorequation editor 7. two lines orthogonal to a third line are parallel t equation editorequation editor 8. two lines parallel to a third line are parallel t equation editorequation editor 9. two planes parallel to a line are parallel f equation editorequation editor 10. two lines parallel to a plane are parallel f equation editorequation editor 11. two lines orthogonal to a plane are parallel