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.