Solve the problem.Using the numerals 0 through 9, how many 5-digit serial numbers can be made if the first digit must be 0 or 1 and numerals may be repeated?
A. 20,000
B. 100,000
C. 80
D. 13,122
Answer: A
Mathematics
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 60,000 B. 0.06 C. 0.00001667 D. 0.0006
Mathematics
Find the mistake, then find the correct answer.Solve for x: x2 = 54line 1 
= 
line 2 x = ±6
What will be an ideal response?
Mathematics
Find the indicated coefficient or term.The 8th term in the expansion of (3x - 2y)9
A. -13,824x7y2 B. 20,736x7y2 C. 20,736x2y8 D. -41,472x2y7
Mathematics
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).2xy = 3
A. r2 sin 2? = 3 B. r2 cos ? sin ? = 6 C. r2 sin 2? = 6 D. 2r cos ? sin ? = 3
Mathematics