Solve the problem.The half-life of an element is 4.9 × 108 yr. How long does it take a sample of the element to decay to 
of its original mass? Express results in scientific notation, rounded to the nearest hundredth.
A. 1.09 × 108 yr
B. 5.36 × 108 yr
C. 3.11 × 108 yr
D. 6.48 × 108 yr
Answer: D
Mathematics
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The graph of a function f is given. Use the graph to find the indicated value.f-1(1)
A. 3
B. 4
C. - 
D. 
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Name the set using the roster method.{x 
x is the cube of 5}
A. {15} B. {-125, 125} C. {-15, 15} D. {125}
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Solve the problem.A woman borrowed $10,000 at 8% interest compounded annually. If the loan was paid off in one lump sum at the end of 6 years, how much did she pay?
A. $10,800.00 B. $5868.74 C. $14,800.00 D. $15,868.74
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Graph the function using transformations.f(x) = 
A. 
B. 
C. 
D. 
Mathematics