Standard Form

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A number is expressed in standard form if it is written aswhereis any integer, positive, negative or zero. For example,andandare all written in standard form.

We are usually give a number and asked to write it in standard form:

Example: Write 342 in standard form

Example: Write 0.00045 in standard form

Example: Write 3 in standard form

Or given a number in standard form and asked to write it as an ordinary number:

Example: Writeas an ordinary number

A typical question might be: Find the area of the rectangle and write your answer in standard form.

We calculate base*height=

Example: Find the area of the rectangle in standard form

We also have to divide numbers in standard form:

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