Express the number in scientific notation..00004709
A. 4.709 x 10-5
B. 4.709 x 10-4
C. 4.709 x 105
D. 4.709 x 104
Answer: A
Mathematics
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Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 
Mathematics
Express the solution set of the inequality in interval notation and graph the interval.x ? 4
A. (4, ?)
B. (-?, 4)
C. [4, ?)
D. (-?, 4]
Mathematics
Write the quotient in the standard form.
A. i B. 1 C. -1 D. -i
Mathematics
Write the vector v in the form ai + bj, given its magnitude 
and the angle ? it makes with the positive x-axis.
= 15, ? = 60°
A. v = 
i + 
j
B. v = - 
i - 
j
C. v = 
i + 
j
D. v = 
i + 
j
Mathematics