Answer:
B
Step-by-step explanation:
B is the only answer that will ensure she gets graduate students in the sample without getting too few or too many.
Answer:

Step-by-step explanation:

= 488000
(real number)
= 4.88 × 105
(scientific notation)
<span>= 4.88e5
maybe this will help ?</span>
You just do 40 times 0.825 and you will get your answer.