Write the Chinese numeral as a Hindu-Arabic numeral.
A. 520
B. 620
C. 920
D. 820
Answer: B
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Write, as indicated, the converse, inverse, or contrapositive for the statement.If you received a refund of over $1,000, then you cannot make a claim. (contrapositive)
A. If you cannot make a claim, then you did not receive a refund of over $1,000. B. If you can make a claim, then you received a refund of over $1,000. C. If you did not receive a refund of over $1,000, then you can make a claim. D. If you can make a claim, then you did not receive a refund of over $1,000.
Solve the problem.Use the formula D = 10.0 log (S/S0), where the loudness of a sound in decibels is determined by S, the number of watt/m2 produced by the soundwave, and S0 = 1.00 × 10-12 watt/m2. A certain noise produces 5.1 × 10-4 watt/m2 of power. What is the decibel level of this noise? (Round to an appropriate number of significant digits.)
A. 200 decibels B. 77 decibels C. 9 decibels D. 87 decibels
Add or subtract as indicated. Simplify, if necessary.
- 
A. - 
B. 
C. 
D. - 
Convert the units.128 oz = 
lb
A. 12 B. 32 C. 8 D. 9