Respuesta :

Answer:

The value of k is equal to 9.

Explanation:

The given number is 4,522,800,000

We need to write it n the form of a×10ᵇ.

We will count the numbers after 4 in the given number. There are 9 number after 4. So,

[tex]4,522,800,000 =4.5\times 10^9[/tex]

So, we can say that the value of k is equal to 9.