302,000,000,000 in scientific notation

A sample contains 24 g of a radioactive isotope. How much radioactive isotope remains in the sample after 2 half-lives? A. 3 g B. 6 g C. 12 g D. 1.5 g

What must be your car's average speed in order to Tavel 235km in 3.25 h?

Ultraviolet light from a distant star is traveling at 3.0 * 108 m/s. How long will it take for the light to reach Earth if it must travel 4.0 * 1013 km?

What is the approximate average ocean depth along the continental shelves bordering north america?

Two flywheels of negligible mass and different radii are bonded together and rotate about a common axis (see below). The smaller flywheel of radius 30 cm has a cord that has a pulling force of 50 N on it.

Name the three strata of study within the study of kinesiology define each and provide examples

Which of the following describes the products of a chemical reaction? A. The original materials B. The chemicals on the right side of a chemical equation C. The chemicals on the left side of a chemical equation D. The substances that are changed

What does it mean when we say an atom has decayed?

The first excited state of a particular atom in a gas is 5.2 eV above the ground state. A moving electron collides with one of these atoms, and excites the atom to its first excited state.

How do your teeth work as a wedge?