What is 5263 × 10^–3 ?

a.
5.263

b.
52.63

c.
526.3

d.
526,300

1foot = 12 inches; 1 yard = 3 feet

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

What point is the projection of q on a) r b) s c) t