What is the product of 8300 and 7.7 x 102 expressed in scientific notation?

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k