Express the number in scientific notation.0.0000004
A. 4 × 10-6
B. 4 × 10-8
C. 4 × 10-7
D. 4 × 10-9
Answer: C
Mathematics
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Find z1z2. Write your answer in standard polar form with the argument in radians.z1 = 8
, z2 = 3
A. 11
B. 24
C. 24
D. 11
Mathematics
Find the LCD and multiply each term by the LCD. Then solve.5x - 29 = 
A. x = - 
, x = 5
B. x = -5, x = 6
C. x = 
, x = - 
D. x = - 
, x = 6
Mathematics
Find the standard form of the equation of a circle that satisfies the given conditions.Center at (-6, -5); radius 
A. (x + 6)2 + (y + 5)2 = 10 B. (x - 5)2 + (y - 6)2 = 100 C. (x - 6)2 + (y - 5)2 = 10 D. (x + 5)2 + (y + 6)2 = 100
Mathematics
Evaluate the sum. Round to the nearest hundredth if necessary. 
A. 46 B. -46 C. 38 D. 2
Mathematics