Answer:
2,800,000,000
Step-by-step explanation:
If we want to find the standard form of 2.8 billion, we need to multiply 2.8 by
1,000,000,000
So, we need to move the decimal point 9 places to the right.
Therefore, 2.8 billion in standard form is:
2.8 x 1,000,000,000 = 2,800,000,000