Perform the following calculation of measured numbers and express your result as a scientific notation with correct number of significant figures. 3.4 + 2.86 – 6.8 =

In liquids and gases particles are close to each other.

Both solids and liquids have definite volume.

Physical change is change in shape or change in state of a substance.

Classify each of the following as element, compound, or mixture.

What is the empirical formula for C6H12O6?

Protons and electrons have about the same mass, but opposite charges.

Number 3.45 x 104 written as decimal number is .

Differences in coat color in the rock pocket mouse populations that were described in the HHMI film that you watched are due to mutations that occurred in response to a change in the environment (the rock color).

Number 0.00467 written as scientific notation is .