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- Revision of Standard Form
A number is said to be in standard form if the number is expressed in the form
A × 10n
Where A is a number between 1 and 10.
This is often written as 1 < A < 10 n is an integer (Positive or Negative)
In standard form, power of 10 (i.e. 10n) is often used.
Examples of positive powers of 10 are:
1 = 100
100 = 102
1000 = 103 etc
Examples of negative powers of 10
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