Perform the indicated computations. Write the answer in scientific notation.(2 × 103)(2 × 10-4)
A. 4 × 10-12
B. 4 × 10-1
C. 4 × 100
D. 40 × 10-1
Answer: B
Mathematics
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Simplify the expression.x ? x12
A. 2x13 B. x12 C. x13 D. 2x12
Mathematics
Perform the conversion. Round to the nearest tenth when necessary.59.1 km/hr to mi/hr
A. 40.3 mi/hr B. 86.7 mi/hr C. 36.6 mi/hr D. 95.2 mi/hr
Mathematics
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.(x + 4)(x + 1) = 28
A. {-4, -1} B. {1, 4} C. {-3, 8} D. {-8, 3}
Mathematics
Translate the sentence into an equation. Use x to represent the unknown number. Do not solve.The difference of a number and 6 divided by 9 yields the quotient of the number and -3.
A. 
= 
B. 
= 
C. 
- 6 = 
D. 
= 
Mathematics