Which material is the least likely to be recognized as a mixture by looking at it under a microscope? a suspension a colloid a homogeneous mixture a heterogeneous mixture

Scientists often have to 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 number in an alternate form.

There are approximately 15 milliliters (ml) in 1 tablespoon (tbsp). what expression can be used to find the approximate number of milliliters in 3 tbsp?

What is calcium oxide+diphosphorus pentoxide--> calcium phosphate balanced