Perform the indicated operation. Write the answer in scientific notation.(19.9 × 109) ÷ (5 × 10-2)
A. 3.98 × 107
B. 3.98 × 1011
C. 7.96 × 107
D. 7.96 × 1011
Answer: B
Mathematics
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Simplify the expression.644/3
A. 256 B. 16,384 C. 4,096 D. 1,024
Mathematics
Graph the parabola.x = y2 - 4
A. 
B. 
C. 
D. 
Mathematics
Solve.A drapery panel measures 3 feet by 9 feet. Find how many square feet of material are needed for six panels.
A. 33 sq ft B. 135 sq ft C. 162 sq ft D. 27 sq ft
Mathematics
Subtract.
A. 459 B. 1487 C. 463 D. 363
Mathematics