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Based on your abbreviation for mathematics, I guess you are American.

American usage of Standard Notation is to mean ordinary numbers - ie a number written normally. It is the opposite of expanded notation whereby the number is written as the sum of its digits each multiplied by its place value column.

For example 123.4 is standard notation; in expanded notation it would be written as 100 + 20 + 3 + 0.4

In the UK, Standard Notation is used to mean scientific notation (or standard index notation) which is a number with one non-zero digit before a decimal point multiplied by a power of 10. It is a way of writing ordinary numbers, especially very big or little ones.

For example 123.4 is an ordinary number which is 1.234 × 10² in standard notation. By multiplying out the standard notation the ordinary number is retrieved: 1.234 × 10² = 1.234 × 100 = 123.4

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โˆ™ 2015-12-03 22:16:51
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Q: What is standard notation in math?
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