Answer:
All numbers, regardless of magnitude, can be expressed in the form:
N x 10n
where
N is a number, either an integer or decimal, between 1 and 10.
n is a positive or negative integer.
When written in standard form there must be one digit, and only one digit to the left of the decimal point in the number N.
standard: 1.23x106
non-standard: 123x104
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