Round off the following numbers to four significant figures (a) 3.1415357 (b) 0.00690472 (c) 483.5773 (d) 0.0234722

Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec

Which branches of natural science include the study of an organism that lived 10 million years ago

Explain what happens at the saturation point when adding salt to water at room temperature.