Find a decimal approximation for the fraction or mixed number, rounded to the given place value. - 
; hundredths
A. -0.24
B. -0.28
C. -0.27
D. -0.67
Answer: C
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Solve the problem.A charged particle of mass m and charge q moving in an electric field E has an acceleration a given by 
where q and E are constants. Find 
.
A. 
= - 
B. 
= 
C. 
= 
D. 
= 
Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.6.193 + (-3.003)
round each to the nearest one
A. Estimate: 4; Actual: 3.19 B. Estimate: 3; Actual: 3.19 C. Estimate: 4; Actual: 3.2 D. Estimate: 3; Actual: 3.29
Find an equation for the hyperbola described.Vertices (
, -3) and (- 
, -3); asymptotes 
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Solve the problem.The length a spring is stretched from its natural length with work, W
is given by L = 
where k is a constant for the given spring. If a certain spring has a constant of 37.1, and the spring is to be stretched 4.2 feet from its natural length, how much work will be necessary? Round your answer to the nearest tenth.
A. 77.9 foot-pounds B. 38 foot-pounds C. 654.4 foot-pounds D. 327.2 foot-pounds