a mine worker discovers an ore sample containing 500mg of radioactive material. it is discovered that the radioactive material h
2 answers:
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Answer:
Step-by-step explanation:
Assuming We want to evaluate
When y=6 and z=3.
We substitute to get:
We multiply to get:
We simplify the denominator to get:
Reduce the first fraction:
Add the numerator and keep one denominator for they are like fractions
Write as a mixed number:
