Standard Form

Physics: AQA A Level, topic 1.1.4

Standard Form

Standard form is used to represent very large or very small numbers. In standard form numbers are written in the format: A x 10ⁿ where A is a number between 0 and 10 and n is how many places to move the decimal point.

Standard form examples

To write 1,000,000 as standard form 1 x 10⁶.
To write 0.0004 as standard form 4 x 10^-4.

Test yourself on Standard Form

What is 45000 in standard form?
Which of these is standard form used to represent?

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