Use scientific notation and the rules for exponents to simplify the following expression. Express your answer in standard notation.
A. 2,574,000
B. 257,400
C. 2,574,000,000
D. 257,400,000
E. 25,740,000
Answer: A
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Find n(A) for the set.A = {{a, b}, {c, d}, {e, b}}
A. n(A) = 3 B. n(A) = 2 C. n(A) = 5 D. n(A) = 6
Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.How tall is the skyscraper?3 feet
A. Unreasonable, should be 30 feet B. Unreasonable, should be 300 feet C. Reasonable D. Unreasonable, should be 0.30 feet
Use grouping to factor the polynomial.x3 + 7x2 + 8x + 56
A. (x3 + 8)(x + 7) B. (x2 + 8)(x + 7x) C. (x2 + 8)(x - 7) D. (x2 + 8)(x + 7)
Solve the problem.Newton's Universal Law of Gravitation states that the attractive force exerted on one spherically symmetric object of mass M by a second spherically symmetric object of mass m is given by 
where r is the distance between the centers of the two objects and G is a constant equal to 
when F is in newtons (N), M and m are in kilograms (kg), and r is in meters (m). What is the magnitude of the gravitational force exerted on an object of mass 
-4.0px;" /> by an object of mass 
if the objects are 20 m apart?
A. 40,020.0 N
B. 100.1 N
C. 10.0 N
D. 200.1 N