The table below shows nation health care costs H, in billions of dollars, t years after 1970.
t 0 10 20 30 40 H 76 258 717 1,403 2,650?
A: Use exponential regression to model H as a function of t. Round your answer to two decimal places.B: Plot the exponential model along with the data points.C: According to the exponential model, when will national health care costs reach 4342.00 billion dollars? Report your answer as a year rounded to the nearest whole number.
What will be an ideal response?
A: 
B:
B:
C: 2014
Mathematics
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Solve. Express the result in scientific notation. Round to the nearest hundredth, if necessary.If the mass of an object is 8.8168 × 10-10 tons and its volume is 4.12 × 10-5 cubic feet, find the density of this object. (Use the formula D = 
.)
A. 2.14 × 10-5 tons per cubic foot B. 2.14 × 10-6 tons per cubic foot C. 2.14 × 10-4 tons per cubic foot D. 21.4 × 10-5 tons per cubic foot
Mathematics
Write in exponential form.log5 
= -4
A. 45 = 
B. (
)4 = 5
C. 5625 = 4
D. 5-4 = 
Mathematics
Find the standard deviation of the probability density function to the nearest hundredth.f(x) = 
- 
; [2, 6]
A. 0.93 B. 0.95 C. 0.92 D. 0.94
Mathematics
Find the critical number(s), if any, of the function 
Select the correct answer.
a. ±5 b. -3 c. 3 d.± ?5
Mathematics