In 2011, it was estimated that the number of u. s households which had dogs as pets was 4.33 x 10^7 and the average number of dogs per household was 1.6 based on the infomation, approximately how many dogs were household pets in the us in 2011 in scientific notation

a. 2.71 x 10^7
b. 3.70 x 10^8
c. 5.33 x 10^8
d. 6.93 x 10^7

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation