Question

The world’s population is currently estimated at 7,125,000,000. What is this to the nearest billion? billion

Answer 1

7,000,000,000 OR 7 Billion

Explanation:

Since the 1 is millions place and its less than 5, you need to round down meaning that 7,125,000,00 rounded to the nearest billion is 7 billion.

Answer 2

7,000,000,000

Explanation:

since the closest number is less than 5 (1<5) you round down making the nearest billion 7