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

Mathematics

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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

Mathematics

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

Mathematics

Write an equivalent expression with negative exponents. (-3y)3

A. - 
B. (3y)-3
C. - 
D.

Mathematics

Combine like terms.-11y + (-7x) + (-4x)

A. -11y - 3x B. -11y + 3x C. -11y - 11x D. -22xy

Mathematics