Sodium phosphate + calcium chloride yield calcium phosphate + sodium chloride Balance it

Express the following number in scientific notation. 0.026890 =

The arrangement of particles is most ordered in a sample of

Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.