Perform the indicated operation. Write the answer without exponents.(7 × 10-4) × (3 × 103) × (3 × 104)
A. 63,000
B. 63 × 10-48
C. 6300
D. 63 × 103
Answer: A
Mathematics
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Find the derivative.s = t3 tan t - 
A. 
= t3 sec2 t + 3t2 tan t - 
B. 
= t3 sec t tan t + 3t2 tan t - 
C. 
= - t3 sec2 t + 3t2 tan t + 
D. 
= 3t2 sec2 t - 
Mathematics
Find the derivative.s = t5 cos t - 6t sin t - 6 cos t
A. 
= - t5 sin t + 5t4 cos t - 6t cos t
B. 
= - t5 sin t + 5t4 cos t - 6t cos t - 12 sin t
C. 
= - 5t4 sin t - 6 cos t + 6 sin t
D. 
= t5 sin t - 5t4 cos t + 6t cos t
Mathematics
Simplify the expression. If any variables exist, assume that they are positive.-15
+ 17
A. 2
B. 33
C. -3
D. -32
Mathematics
Place the correct symbol, <, >, or =, in the blank between the expressions.61 
A. < B. > C. =
Mathematics