Perform the indicated operation. Write the answer without exponents.(3 × 10-3) × (3 × 103) × (7 × 104)
A. 63,000
B. 63 × 10-36
C. 630,000
D. 63 × 104
Answer: C
Mathematics
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Factor and simplify the expression.sin2x + sin2x cot2x
A. 1 B. sin2x + 1 C. cot2x - 1 D. cot2x + 1
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Write the sum or difference as a product containing only sines and/or cosines.cos(2?) - cos(4?)
A. -2 sin(3?) sin ? B. 2 sin(3?) sin ? C. -2 cos(3?) sin ? D. cos(-2?)
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Use a vertical format to add the polynomials.3x
7 + 2x
6 + 5x
5 + 7
A. 20x36 + 6 B. 12x7 + 5x6 + 3x5 + 6 C. 10x7 + 10x6 + 2x5 + 11 D. 12x14 + 5x12 + 3x10 + 6
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