Respuesta :

Given: The expression-

[tex]64,646,480,523\times789[/tex]

Required: To simplify the expression.

Explanation: The multiplication of two numbers can be performed by making two rows and then multiplying each numbered row-wise. The final rows are then added together for the answer.

Hence, multiplying the numbers as-

[tex]51,006,073,132,647[/tex]

Final Answer: The final Answer is 51,006,073,132,647.