Express the number in scientific notation.0.000315
A. 3.15 × 10-3
B. 3.15 × 104
C. 3.15 × 10-4
D. 3.15 × 10-5
Answer: C
Mathematics
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Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
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Perform the indicated operation.
A. -13
B. - 
C. -23
D. 13
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at 
and 
. The cross sections perpendicular to the x-axis between these planes are squares whose bases run from the semicircle 
to the semicircle 
.
A. 
B. 
C. 
D. 
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Provide an appropriate response.An invoice of $960.00 including freight charges of $30.00 is dated June 14. If the credit terms are 3/15, N/30 and the invoice is paid on June 20, the amount due is $931.20.
A. True B. False
Mathematics