Rewrite the number or expression as requested.(4 ? 1010) ? (7 ? 1012) (Write the result in scientific notation.)
A. 2.8 ? 1022
B. 2.8 ? 1023
C. 28 ? 1023
D. 2.8 ? 1021
Answer: B
Mathematics
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Use the table to determine the indicated derivative or state that the derivative cannot be determined.
(f-1)'(f(-2))
A. - 
B. 1
C. 2
D. Cannot be determined
Mathematics
Translate into an equation and solve.A number divided by -0.0017 is 6.2.
A. 0.1054 B. -0.01054 C. 0.0001054 D. -0.001054
Mathematics
Solve the motion problem.In a race, Car A starts 1 mile behind Car B. Car A is traveling at 45 miles per hour, while Car B is traveling at 40 miles per hour. How long will it take for Car A to overtake Car B? (Round your answer to the nearest tenth, if necessary.)
A. 48 minutes B. 15 minutes C. 12 minutes D. 8 minutes
Mathematics
Find the value of the expression.
A. 
B. 
C. 
D. 
Mathematics