Understand standard form: Understand the concept of standard form. Standard form is a way of writing numbers that are too large or too small to be conveniently written in decimal form. It is written as a number between 1 and 10 multiplied by a power of 10.
Multiply by 105: Multiply 6.8 by 105. To convert 6.8×105 to standard form, we need to shift the decimal point 5 places to the right, because we are multiplying by 105. 6.8×105=680,000