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
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Perform the indicated operation.
+ 
A. 
B. 
C. 
D. 
Use a graphing calculator to determine which expression completes the identity.The expression 
? csc x is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. csc x - tan x B. cos x - 1 C. sec x + cos x D. tan2x
Graph.(x - 1)y = 1
A. 
B. 
C. 
D. 
Solve the problem.You are asked to make some circular cylinders, each with a cross-sectional area of src="https://sciemce.com/media/4/ppg__tttt0604191233__f1q24g5.jpg" alt="" style="vertical-align: -17.0px;" /> and look for the interval in which you must hold x to make 
To do this, you need to know how much deviation from the ideal cylinder diameter of 
cm you can allow and still have the area come within 
of the required 
To find out, let 
What interval do you find?
A. (1.7662, 1.8019)
B. (0.5642, 0.5642)
C. (2.4978, 2.5482)
D. (4.4272, 4.5166)