Physical amounts
________ in science are described in units of the metric or international units system (SI)
Zeros
________ are not significant before the decimal number or at the end of the non- decimal number.
Conversion factors
________ between mass and volume of a material can be written using the units of density.
identical volume
The relationship between two units, measuring ________, length, weight, or time, shows equal equality.
conversion factors
To express a relation in a fraction, ________ are used for any relationship in the metric or in the US system, two ________ may be written.
Conversion factors
________ are helpful if a quantity in one unit is changed to a quantity in another one.