Express the number in scientific notation.2500
A. 2.5 × 10-2
B. 2.5 × 10-3
C. 2.5 × 103
D. 2.5 × 102
Answer: C
Mathematics
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Write the number in standard notation.7.711 x 107
A. 77,110,000 B. 7,711,000 C. 539.77 D. 771,100,000
Mathematics
Simplify the complex fraction.2 + 
A. 
B. - 
C. 
D. 
Mathematics
Find an equation for the ellipse described. Graph the equation.Center at (-4, 2); focus at (-9, 2); contains the point (-10, 2)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Find the center and radius of the circle.x2 + (y - 3) 2 = 121
A. Center: (3, 0); radius: 11 B. Center: (-3, 0); radius: 11 C. Center: (0, 3); radius: 11 D. Center: (0 , 3); radius: 121
Mathematics