What is (5.2 × 102) × (1.2 × 104)?

a.
6.4 × 10^8

b.
6.24 × 10^8

c.
6.4 × 10^6

d.
6.24 × 10^6

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7