Simplify the variable expression below.
a -
a
A. a
B. a
C. a
D. a
E. a
Answer: E
Mathematics
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Express the number in scientific notation.0.0000004
A. 4 × 10-6 B. 4 × 10-8 C. 4 × 10-7 D. 4 × 10-9
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Add the given pair of complex numbers geometrically.z1 = -3 - 6i, z2 = -3
A. -12 B. -3 - 3i C. -6 - 6i D. -3 - 9i
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Use a vertical format to subtract the polynomials. 7y4 - 7y3 + 7y2
A. 7y4 - 6y3 + 16y2 - y - 13 B. 7y4 - 8y3 - 2y2 - y - 13 C. 7y4 - 6y3 - 2y2 + y + 13 D. 7y4 - 8y3 + 16y2 + y + 13
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Write the indicated term of the binomial expansion.(2x + 3y)14; 4th term
A. 10,063,872x3y11 B. 6,709,248x11y4 C. 6,709,248x3y11 D. 20,127,744x11y3
Mathematics