Write the number in standard form.Light with a wavelength of 4 × 10-4 meters is in the infrared portion of the electromagnetic spectrum.
A. 0.004
B. 0.0004
C. 0.00004
D. 40,000
Answer: B
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Solve the problem. Round your answer, if appropriate.Boyle's law states that if the temperature of a gas remains constant, then PV = c, where 
, 
, and c is a constant. Given a quantity of gas at constant temperature, if V is decreasing at a rate of 13 in. 3/sec, at what rate is P increasing when P = 70 lb/in.2 and V = 50 in.3? (Do not round your answer.)
A. 
lb/in.2 per sec
B. 
lb/in.2 per sec
C. 
lb/in.2 per sec
D. 
lb/in.2 per sec
Evaluate the integral.
A. 10i + 18j + 
k
B. 10i - 18j + 
k
C. 5i - 18j + 
k
D. 10i - 18j + 
k
Write the complex number in rectangular form.9 cis 240°
A. 
- 
B. - 
+ 
C. - 
- 
D. 
- 
Provide an appropriate response.The formula to calculate the inventory turnover rate at retail is:
A. the cost of goods sold divided by net sales B. net sales divided by average inventory at retail C. the cost of goods sold divided by the average inventory at retail D. the cost of goods sold divided by the average inventory at cost