Simplify the expression. Write the answer with only positive exponents. Assume that all variables represent nonzero real numbers.10-8 ? 104 ? 10-3
A. 1015
B. 
C. 107
D. 
Answer: D
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Provide an appropriate response.Given log10 2 = 0.3010 and log10 3 = 0.4771, find log10 54 without using a calculator.
A. 1.3801 B. 0.4308 C. 1.7323 D. 0.4096
A computer password is made up of five characters. Each character can be a capital letter (A through Z) or a digit (0 through 9).How many passwords consist entirely of letters?
A. 26 × 25 × 24 × 23 × 22 B. 526 C. 265 D. 26 × 5 E. none of these
Solve the following simultaneous equation using the addition/subtraction method.
3x + y = 4 x + y = 2
Solve the problem.If an object is dropped from a tower, then the velocity, V (in feet per second), of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Find V as a linear function of t, and use this function to evaluate V(1.5), the velocity of the object at time 
A. V(1.5) = 59.3 feet per second B. V(1.5) = 56 feet per second C. V(1.5) = 57.3 feet per second D. V(1.5) = 58 feet per second