Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.44 ? 43
A. 47
B. 167
C. 412
D. 1612
Answer: A
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Solve the problem.The number of dislocated electric impulses per cubic inch in a transformer increases when lightning strikes by D = 8100(5)x, where x is the time in milliseconds of the lightning strike. Find the number of dislocated impulses at x = 0 and x = 3.
A. 8100; 121,500 B. 8100; 1,012,500 C. 8100; 25,312,500 D. 40,500; 1,012,500
= 
A. 0.5 g B. 2.5 g C. 5 g D. 0.25 g
Solve the problem.A piece of cable which is 
m long is to be cut into pieces 
m long. How many pieces will there be?
A. 12 pieces
B. 100 pieces
C. 
piece
D. 60 pieces
Solve the problem.The height of the water, H, in feet, at a boat dock t hours after 7 A.M is given by 
, where t is time measured in seconds. Find the period.
A. 
B. 
C. 120
D. 120?