Perform the indicated operation. Express the answer in scientific notation.
A. 4 × 107
B. 4 × 1011
C. 8 × 1011
D. 8 × 107
Answer: A
Mathematics
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Simplify the expression.
- 
A. 15 B. 33 C. -21 D. -3
Mathematics
Use the Half-angle Formulas to find the exact value of the trigonometric function. tan 165°
A. -2 + 
B. 2 - 
C. -2 - 
D. 2 + 
Mathematics
Write the equation in vertex form. Identify the vertex.y = 3x2 - 4x
A. y = 3
2 - 
; 
B. y = 3
2 - 
; 
C. y = 3
2 - 
; 
D. y = 3
2 - 
; 
Mathematics
Evaluate -x.x = - 
A. - 
B. 
C. - 
D. 
Mathematics