Respuesta :

The answer is C.  Change the order of the four terms and remember to add exponents when multiplying the powers in the equation.

The product of  [tex](a \cdot 10^n)(b \cdot 10^n)[/tex] is [tex]ab \cdot 10^{m+n}[/tex]. The answer is option C

Explanation

Product of [tex](a \cdot 10^n)(b \cdot 10^n)[/tex]

To find out the product , we apply exponential property

first we multiply 'a'  and 'b', the product is ab

[tex](a \cdot b)(10^m \cdot 10^n)\\ab(10^m \cdot 10^n)\\[/tex]

Now use exponential property , when the base are same and the exponents are in multiplication then we add the powers

[tex]ab(10^m \cdot 10^n)\\\\ab(10^{m+n})\\ab \cdot 10^{m+n}[/tex]

Learn more :  brainly.com/question/24420843