300,000 because if a number is above 5, 50, 500, 5000, etc. then it rounds up instead of down.
Sry not sure this one is very confusing
Answer:
If the diameter of a microscope's field is 0.12mm, how wide is an object that fills one-quarter of the field? (Explain how you've reached your answer.)
I will tell you your answer if you tell me mine first. You can claim 40 points, just go to my page and write your answer + explanation.
Step-by-step explanation:
