Simplify the expression. Write the answer using scientific notation. (0.4 *10^-6)(0.7*10^-2)
a. 2.8 x 10^-9
b. 2.8 x 10^-8
c. 2.8 x 10^-7
d. 0.28 x 10^-9

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

The frequency table shows a set of data collected by a doctor for adult patients who were diagnosed with a strain of influenza. patients with influenza age range number of sick patients 25 to 29 30 to 34 35 to 39 40 to 45 which dot plot could represent the same data as the frequency table? patients with flu

Hi, can anyone show me how to do this problem? 100 points for this. in advance