Solve the problem.A certain radioactive isotope has a half-life of approximately 1500 years. How many years to the nearest year would be required for a given amount of this isotope to decay to 70% of that amount?

A. 2605 yr
B. 702 yr
C. 772 yr
D. 450 yr


Answer: C

Mathematics

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A.
B.
C.
D.

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Find the exact value of the expression.

A.
B.
C. - 
D. - 

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Solve.Using the formula to find Fahrenheit (F) in terms of Celsius (C), F =  C + 32, find the range (to the nearest tenth) of the Fahrenheit temperature when the range of the Celsius temperature is between 2°C and 6°C, inclusive.

A. Between 33.1°F and 32.8°F, inclusive B. Between 19.6°F and 26.8°F, inclusive C. Between 3.6°F and 10.8°F, inclusive D. Between 35.6°F and 42.8°F, inclusive

Mathematics

Provide an appropriate response.Each solution of a simplex tableau corresponds to 

What will be an ideal response?

Mathematics