Perform the indicated computation. Write the answer in scientific notation.
A. 8.4 × 109
B. 8.4 × 103
C. 4.2 × 109
D. 4.2 × 103
Answer: D
Mathematics
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Solve the problem.The gravitational attraction A between two masses varies inversely with the square of the distance between them. If the force of attraction is 9 lb when the masses are 2 ft apart, what is the attraction when the masses are 6 ft apart?
A. 3 lb B. 2 lb C. 4 lb D. 1 lb
Mathematics
Graph the equation in the rectangular coordinate system.3x - 5 = -11
A. 
B. 
C. 
D. 
Mathematics
Solve.x + 
= 
A. {1}
B. 
C. 
D. 
Mathematics
Perform the indicated operation and, if possible, simplify. Assume that all variables represent positive real numbers. (2 + 
)2
A. 7 + 4
B. 7 + 2
C. 5 + 4
D. 4 + 4
Mathematics