3 Answered Questions for the topic Don’t Know This Problem
04/15/18
7 pencils cost $0.89. How much would 12 pencils cost?
I wasn't in class when this was taught, and I have no idea how to do this. Please somebody help.
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03/27/18
After 3 days a sample of radon-222 has decayed to 58% of its original amount.
After 3 days a sample of radon-222 has decayed to 58% of its original amount. a) What is the half life of radon-222? b) How long will it take the sample to decay to 20% of its original amount?
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Don’t Know This Problem
02/25/18
A student received an 80% on a test if there were 40 questions on the test how many questions and she answered correctly
Please help me with this question now and solve please please please please please please
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