Solve the problem.A computer can do one calculation in 1.4 × 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.4 × 10-7 sec
B. 1.4 × 106 sec
C. 1.4 × 105 sec
D. 1.4 × 1012 sec
Answer: C
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Solve the problem.A right triangular plate of base 4 m and height 2 m is submerged vertically, as shown below. Find the force on one side of the plate. 
4 m
A. 78,000 N B. 39,000 N C. 13,000 N D. 52,000 N
Complete.7040 yd = 
mi
A. 1
B. 7
C. 4
D. 21,120
Solve the equation. Express irrational answers in exact form and as a decimal rounded to 3 decimal places.ln x + ln (x + 5) = -3
A. -5 + 
? 0.020
B. 
? 2.505
C. 
? -5.010
D. 
? 0.010
Solve the problem.(i) In general terms, how does the surface-area-to-volume ratio of a rat compare to that of a gorilla?(ii) Which animal must maintain a higher rate of metabolism to replace the heat lost through the skin?
A. (i) The surface-area-to-volume ratio of a rat is higher than the surface-area-to-volume ratio of a gorilla. (ii) The rat must maintain a higher rate of metabolism. B. (i) The surface-area-to-volume ratio of a rat is equal to the surface-area-to-volume ratio of a gorilla. (ii) Both animals must maintain the same rate of metabolism. C. (i) Cannot compare the two because one type of creature is a mammal and the other is not. (ii) Cannot compare the two because one type of creature is a mammal and the other is not. D. (i) The surface-area-to-volume ratio of a rat is lower than the surface-area-to-volume ratio of a gorilla. (ii) The gorilla must maintain a higher rate of metabolism.