Write the number in scientific notation.1,500,000
A. 1.5 × 106
B. 1.5 × 107
C. 1.5 × 10-6
D. 1.5 × 10-7
Answer: A
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Solve the problem.A simple model of a harvested resource follows the equation 
where p(t) is the amount (or population) of the resource at time 
is the natural growth rate of the resource, and 
is the harvesting rate. If 
/> and 
for what values of H is the amount of the resource increasing? For what value of H is the amount of the resource constant?
A. H < 100; H < 100
B. H < 50; H = 50
C. H > 50; H = 50
D. H < 50; H > 50
Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(x - 8y)(-5x + 6y)
A. -5x2 + 46xy - 48y2 B. x2 + 46xy - 48y2 C. x2 + 46xy + 46y2 D. -5x2 + 46xy + 46y2
Write an equivalent expression with negative exponents. (-3y)3
A. - 
B. (3y)-3
C. - 
D. 
Combine like terms.-11y + (-7x) + (-4x)
A. -11y - 3x B. -11y + 3x C. -11y - 11x D. -22xy