Identify the number of significant figures in each measurement. Type the correct answer in each box. Use numerals instead of words.
0.052301 km:
significant figures
400 cm
significant figures
50.0 m:
significant figures
4,500.01 mi:
significant figures

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

What is the atomic number of an atom that has 6 protons