How many atoms are contained in 16.80 l of Xe at STP

Which number is in scientific notation A. 3.4 x 100^2 B. - 5x10^-12 C. 0.84x10^6 D. 7.8x10^5

How to calculate least common factor of 12, 15 and 18

450 : 10 to the 3rd power

Find a polynomial, which if substituted for M will make the equation an identity: M+M=8x^2-4x-6

Sugar-free gum contains 40% less calories than regular gum. If a piece of regular gum contains 40 calories, how many calories does a piece of sugar-free gum contain?

Kyle walks 3 blocks south from his home to school, and jana walks 2 blocks north from her home to kyle's home. how far and in what direction is the school from jana's home.

What's the greatest common for of 32 and 52

A 6.7 kg object moves with a velocity of 8 m/s. What it's kinetic energy?

A free driver is driving at a constant rate of 0.75 feet per second

Terry needs to take a loan from her parents to pay for her new car. the cost of the car is $11,000. She decided that she will pay her parents $250 per month to pay off the car.