(09.01) Let A = {10, 20, 30, 40, 50, 60} and B = {10, 40, 60}. What is A B? (1 point)

{10, 40}
{40, 60}
{10, 40, 60}
{10, 20, 30, 40, 50, 60}

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.

Ofof is a ? a. (1, 2), (1,-2), (3, 2), (3, 4) b. (1,6), (2, ,9), (0,5) c. (0, 2), (2,3), (0, -2), (4,1) d. (2, 4), (0, 2), (2, - 4), (5,3)