Indicate the metric unit that would be best used to express the mass of the object.Grain exported by the United States in a one year period
A. grams
B. milligrams
C. metric tonnes
D. kilograms
Answer: C
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Provide an appropriate response.Starting with a tone having a frequency of 192 cycles per second, find the frequency of the tone that is three octaves higher.
A. 576 cps B. 36,864 cps C. 1536 cps D. 768 cps
Solve the problem.The current in the circuit is 9.55 mA. Determine the phase angle for the combination of the capacitor, resistor, and inductor. XC = 1550 ? R = 1700 ? XL = 2200 ? 
?? I
A. ? = -17.88° B. ? = 0.37° C. ? = 20.92° D. ? = 65.61°
Find the values of x: 3x2 + 2x - 4 = 0
a. x = 2.616, -1.382 b. x = -0.772, 4.317 c. x - -4, -2 d. x = 0.869, -1.535 e. x = 4, -3
Provide an appropriate response.The weighted-average inventory method continuously tracks each item in the inventory.
A. True B. False