Toby is trying to show his teacher why the product of two rational numbers is another rational number. His first steps are shown. Which is the best method Toby could use to
proceed?
L
B

If a • b*2 = 1.8 x 10*-7, and c•b/d = 7.2 x 10*-4, find the value of a•d*2/c*2

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.