25
4,000,000,000= 4 billion 400,000,000=400 million They are not equal. 4 thousand million=4 billion
4000 million years is equivalent to 4 billion years.
4,030,000,000 (4 billion 30 million).
250 million is a quarter of 1 billion so there are 4 of them in 1 billion. So in 5 billion, there are 4*5 = 20 of them. Could hardly be simpler!250 million is a quarter of 1 billion so there are 4 of them in 1 billion. So in 5 billion, there are 4*5 = 20 of them. Could hardly be simpler!250 million is a quarter of 1 billion so there are 4 of them in 1 billion. So in 5 billion, there are 4*5 = 20 of them. Could hardly be simpler!250 million is a quarter of 1 billion so there are 4 of them in 1 billion. So in 5 billion, there are 4*5 = 20 of them. Could hardly be simpler!
3.8 billion.
40 million is 4 percent of 1 billion.
0.9
0.05
4 billion pounds equates to 1,814,400 tonnes.
70 million as a proportion of 1.72 billion = 7/17200 70 million : 1.72 billion = 70000000:172000000000 = 70000000/172000000000 = 7/17200
1.3 billion * 1/4 = 325 million