Use and interpret scientific notation (for example, 3.5 × 106).
Apply and use International System of Units (SI) prefixes and units.
Work with fundamental units.
Use of non-standard units (for example, eV, eVc –2, ly, pc, h, day, year) whenever appropriate.
Express derived units in terms of SI units.
Check an expression using dimensional analysis of units (the formal process of dimensional analysis will not be assessed).
Identify and use symbols stated in the guide and the data booklet.
Express quantities and uncertainties to an appropriate number of significant figures or decimal places.
Use approximation and estimation.