Which of the following is not equal to 63.7 mm?

6.37 x 104 ãƒâ‚ã‚âµm
6.37 x 10-5 km
637 cm
0.637 dm

Matches the chemical name of each oxide of phosphorus to its chemical formula

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

How do i turn 2 s into one in the products