Solve the problem.A sample of 800 grams of radioactive substance decays according to the function  where t is the time in years. How much of the substance will be left in the sample after 10 years? Round to the nearest whole gram.

A. 800 grams
B. 1 gram
C. 605 grams
D. 9 grams


Answer: C

Mathematics

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Find the Jacobian for the given transformation. 

A. 13 B. 5 C. -13 D. -5

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Simplify.(3n6 + 16n4 - 20) - (-19n4 + 6n6 - 17) + (n7 + 17)

A. n7 - 3n6 + 35n4 + 14 B. 46n10 C. n7 - 3n6 + 22n4 - 20 D. n7 - 3n6 + 35n4 - 20

Mathematics

Decide whether the function is an exponential growth or exponential decay function and find the constant percentage rate of growth or decay.f(x) = 2479 ? 0.9948x

A. Exponential decay function; -0.52% B. Exponential decay function; 0.0052% C. Exponential growth function; 0.0052% D. Exponential growth function; -0.52%

Mathematics

Provide an appropriate response.Decide whether the expression is positive, negative, or zero. 

A. Positive B. Negative C. Zero

Mathematics