Write the number in scientific notation.The average distance from Mars to the Sun is 227,900,000 kilometers.
A. 2.279 × 108
B. 227.9 × 106
C. 2.279 × 107
D. 2.279 × 109
Answer: A
Mathematics
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Find v ? u.v = 
and u = 
A. 
i - 
j
B. 0
C. 
i - 
j
D. 
Mathematics
Find the sum.
A. -70 B. -80 C. -15 D. -46
Mathematics
Find the domain of the function.H(q) = 
A. 
B. {q|q ? 6}
C. {q|q ? -6}
D. {q|q is any real number}
Mathematics
Solve the equation.
= y
A. {6} B. {6, -2} C. ? D. {4}
Mathematics