Use the appropriate rounding rule to answer the question with the correct precision or correct number of significant digits.Find your speed by dividing the distance you traveled, 267 kilometers, by the time, 2.1 hours.
A. 127.1 kilometers per hour
B. 100 kilometers per hour
C. 130 kilometers per hour
D. 127 kilometers per hour
Answer: C
Mathematics
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Determine the power of 10 needed to write the decimal in scientific notation.2,494,000 = 2.494 × 10n
A. 7 B. 6 C. 8 D. 5
Mathematics
Use DeMoivre's Theorem to write the expression in rectangular form.
3
A. 64
B. 8 + 6i
C. 8
D. -2 + 2i
Mathematics
Solve the equation.23(x - 2) = 32(x + 5)
A. 29 B. -29 C. -61 D. 61
Mathematics
Add or subtract.16
+ 
A. 23
B. 24
C. 7
D. 7
Mathematics