Scientific notation

why do we need it?

science encompasses very large & very small numbers. We can measure the radius of a carbon atom or distances from earth to the farthest galaxy

Coefficient vs Exponent

Powers of 10 - To decrease the number of zeros written, we use scientific notation each scientific notation involves a measurement and magnitude

standard notation

when a number is not written in scientific notation it is standard notation

scientific notation

with the exponent

If a standard number

is greater than 1, it’s exponent is positive.

If a standard number is less than 1

the exponent is negative

scientific to standard notation

A negative exponent means the number is less than 1

Unit conversions

English system - commonly used in the US

Metric system- Used to internationally by scientists

Common SI base units

length = meter, Mass= kilogram, time = second, Temperature= Kelvin