.9%. To turn a decimal into a percent, you move the decimal 2 places to the right. So .009 would be .9%
Answer:
7 weeks
Step-by-step explanation:
500-200=300. 300 divided by 40 is 7.5 so 7 weeks
The school year would be 1981-1982
Answer: 
Step-by-step explanation:
If the volume of a sphere is

Where
is the radius
The volume of a hemisphere is half the volume of the total sphere:


Solving this equation:

Finally:

655,822
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