Respuesta :

Hi! The answer is
6.489 * 10^3

The value 6489 written in standard form is 6.489 * 10³

The standard form of an expression is also known as its scientific form. The standard scientific form is expressed as

[tex]A \times 10^n[/tex]

A is any real number between 1 and 10

n is any integer

Give the value 6489, this can be written as:

6489 = 6.489 * 10³

Hence the value 6489 written in standard form is 6.489 * 10³

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