12/15 + 1/10 <span>and got an answer of 13/25
</span><span>12/15 is close to 1, but he got an answer of 13/25 is close to 1/2
13/25 < 12/15
Answer:
</span><span>
His answer is not correct because the sum cannot be less than either addend.</span>
Step-by-step explanation:
Answer=B
proving:
503,000 > 10
so we look for a number
less than 10
=5.03 ×10-5
the other three zeros are not
needed.
Thank you
The answer to this problem is -2/2
Answer: 
Step-by-step explanation:
Here, According to the question, The population of the world is 4 billion (approx).
Again According to the question, The world's population has grown at an average rate of 1.9 percent per year since 1945.
Therefore, after 1975 the growth rate will remains same.
Thus, the population of the world after t years,
(By the formula
)
⇒
Where 1.019 is the growth rate and 4 billion is the initial population.