Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to three decimal places.log5.3260
A. 0.300
B. 2.415
C. 49.057
D. 3.334
Answer: D
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Solve the equation after making an appropriate substitution.
- 5
+ 6 = 0
A. {-3, -2} B. {81, 16} C. {9, 4} D. {3, 2}
Solve the problem.A nuclear scientist has a sample of 
of a radioactive material which has a half-life in hours. She monitors the amount of radioactive material over a period of 30 hours and obtains the following data. Use a graphing utility to fit an exponential function to the data. Round the values to the nearest thousandth. Then, use the function to predict the amount of material, rounded to the nearest tenth, remaining at 40 hours. 
.
A. y = 99.671e-0.077x, 6.7 mg B. y = 99.671e0.926x, 1.2 mg C. y = 99.671e0.077x, 2168.7 mg D. y = 99.671e-0.077x, 4.6 mg
The formula 
relates the speed 
(in mph) of a car and the distance 
of the skid when a driver hits the brakes. On wet pavement, 
. How far will a car skid if it
is going 60 mph? A. about 366 ft B. about 377 ft C. about 343 ft D. about 298 ft E. about 331 ft
Solve.Sam and Sally went out to dinner. The dinner bill was $58.47 plus a 10% tip. If they split the total cost, how much did Sam pay, rounded to the nearest cent?
A. $64.32 B. $2.92 C. $32.16 D. $29.24