Solve.The half-life of silicon-32 is 710 years. If 30 grams is present now, how much will be present in 300 years? (Round your answer to three decimal places.)
A. 22.383
B. 29.134
C. 0
D. 1.604
Answer: A
Mathematics
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Perform the indicated operations. Write the answer in the form a + bj.
+ 
- 2j
A. 3 + 9j B. -3 + 13j C. -3 + 9j D. -3 - 9j
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Determine whether the following is always true or not always true. Given reasons for your answers.c(u × v) = cu × cv (any number c)
What will be an ideal response?
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Simplify the expression without a calculator.2-4
A. 
B. -16
C. 
D. 16
Mathematics
Convert the area as indicated.129.2 square millimeters to square centimeters
A. 1292 cm2 B. 1.292 cm2 C. 0.1292 cm2 D. 12.92 cm2
Mathematics