Write the number in scientific notation.79,000,000
A. 7.9 × 107
B. 7.9 × 106
C. 7.9 × 10-7
D. 7.9 × 10-6
Answer: A
Mathematics
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Let x represent the number. Use the given conditions to write an equation. Solve the equation and find the number.Four times the difference of 11 and a number gives 60. Find the number.
A. -16 B. 16 C. -4 D. 4
Mathematics
Factor when possible.375x3y - 192y4
A. (15xy - 12y2)(25x2 + 16y2) B. 3y(5x - 4y)(25x2 + 20xy + 16y2) C. 3y(5x + 4y2)(25x2 - 20xy + 16xy2) D. 3y(125x - 4y)(x2 + 20xy + 16y2)
Mathematics
Evaluate the expression.
?
?
?
A. 76 B. 86 C. 1 D. 85 E. -9
Mathematics
Solve the equation by multiplying both sides by the LCD.x - 5 = 
A. 
B. {-6, 1}
C. 
D. {-1, 6}
Mathematics