Simplify (4 x 10^6) x (2 x 10^3) and express the result in scientific notation

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

If angle 2=3x +1 and angle 3=2x +4what is angle 2

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9