Solve. Write results using scientific notation.The following equation gives the number of atoms in 320 g of neon. How many atoms are there? A = 320 g Ne x 
x 
A. 1.88 x 1025 atoms
B. 1.89 x 1025 atoms
C. 1.92 x 1024 atoms
D. 1.97 x 1026 atoms
Answer: B
Mathematics
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Graph the curve described by the function, indicating the positive orientation.r(t) = 2cos t i + 3j + 2 sin t k, for 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
Write decimal number in words.1.7
A. one and seven hundredths B. one and seven millionths C. one and seven tenths D. one and seven thousandths
Mathematics
Write the fraction in simplest form.- 
A. - 
B. - 
C. - 
D. 
Mathematics
Factor the expression completely. If the polynomial is prime, state this as your answer.81k2m - 36km + 4m
A. m(9k - 2)(9k + 2) B. m(9k + 2)2 C. prime D. m(9k - 2)2
Mathematics