10. find (5.3 x 10) - (8 x 102).
express your answer in scientific notation. im a little bit stuck btw its algebra

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.