Express the following in scientific notation:

1. 6,000,000,000,000,000,000,000

2. 547,000

3. 3,507,000,000

4. 0.0004650

Which is an example of scientific evidence that can be used to critique a new scientific argument?

The half-life of plutonium-238 is 87.7 years. What percentage of the atoms in a sample of plutonium-238 will remain radioactive after 263.

you may slip if you step on a banana peel similarly you may find difficulty to walk on a slippery or a wet floor

Which type of friction occurs when an eraser is rubbed across a sheet of paper

Two bar magnets are labeled A and B. The ends of each magnet are numbered 1 or 2, but the poles are not labeled. When A1 is brought near B1, the bars repel.

Which tools would sara us to find an irregularly shaped objects mass and volume A. a meter stick, a ruler, and water B. a meter stick, a balance, and water C. a balance, water, and a ruler D. a balance, water, and a beaker

Scientists who study races and their origins are called A. anthropologists. B. ethnologists. C. paleontologists. D. sociologists.

Why are telescopes that detect non - optical radiation useful for studying objects in space

Which of the following is not an application of Doppler technology? police speed guns weather radar ultrasound imaging of the liver determining the motion of a star

For a constant voltage, increasing the resistance will cause the current to decrease. true or false