Express the number in scientific notation.0.0000004
A. 4 × 10-6
B. 4 × 10-8
C. 4 × 10-7
D. 4 × 10-9
Answer: C
Mathematics
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Find the product.4(-5)
A. 1 B. 20 C. -20 D. -1
Mathematics
Solve the proportion.
= 
A. 0.13 B. 2 C. 20 D. 8.0
Mathematics
Multiply the polynomials.(x + 5)(x2 - x + 7)
A. x3 + 35 B. x3 + 4x2 + 35 C. x3 + 4x2 + 2x + 35 D. x3 + 6x2 + 12x + 35
Mathematics
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: -1, 2, and 1 - 2i.
A. f(x) = x4 - x3 + x2 + 9x - 10 B. f(x) = x4 - x3 + 3x2 - 5x - 10 C. f(x) = x4 - 3x3 - 3x2 + 7x + 6 D. f(x) = x4 - 3x3 + 5x2 - x - 10
Mathematics