A one-celled, aquatic organism called a
dinoflagellate is 1000 micrometers long. (Section 10.4)
a. One micrometer is 10-6 meter. What is the length
of the dinoflagellate in meters?
b. Is the length of the
dinoflagellate equal to
1 millimeter or
1 kilometer? Explain.

Ineed in figuring out this problem.

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Pranza plotted point a in the coordinate plane below.