Final answer:
The number 102.9 × 10⁶ in scientific notation is 1.029 × 10⁸, achieved by adjusting the coefficient and exponent appropriately.
Step-by-step explanation:
To convert the number 102.9 × 10⁶ into correct scientific notation, we need to express it in the form where the coefficient is between 1 and 10 and is multiplied by an appropriate power of 10.
To do this, we move the decimal point in 102.9 two places to the left to get 1.029.
Because we moved the decimal two places, we need to increase the exponent on 10 by two to balance the equation, resulting in an exponent of 6+2=8.
Therefore, the scientific notation of 102.9 × 10⁶ is 1.029 × 10⁸.