Units of Measurement

What does SI stand for in the context of measurement?

SI stands for International Systems of Units.

How many base units are there in the International Systems of Units?

There are 7 base units in the International Systems of Units.

What is the symbol for Volume in SI units?

The symbol for Volume in SI units is L from Litres.

What is the prefix for 10^-9?

The prefix for 10^-9 is Nano.

What does the prefix 'Mili' represent in terms of magnitude?

The prefix 'Mili' represents 10^-3.

What are significant figures used for in measurements?

Significant figures are used to represent all known values in a measurement plus a final estimated number.

What is the rule for significant figures regarding non-zero numbers?

All non-zero numbers (1 to 9) are significant.

Are trailing zeros significant in numbers without a decimal place?

No, trailing zeros are considered insignificant in numbers without a decimal place.

What is scientific notation used for?

Scientific notation is used to indicate very small or large numbers.

What happens to the exponent in scientific notation for small numbers?

The exponent becomes negative for small numbers.