Write the expression as a Hindu-Arabic numeral.8(103) + 4(102) + 0(101) + 8(100)
A. 848
B. 84,080
C. 8408
D. 8480
Answer: C
Mathematics
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Let A and B be sets with cardinal numbers, n(A) = a and n(B) = b, respectively. Decide whether the statement is true or false.n(A ? B) = n(A) - n(B)
A. True B. False
Mathematics
Simplify the fraction.
A. 3k B. 3k2 C. 8 D. 8k2
Mathematics
Write the complex number in rectangular form using exact values if possible. Otherwise, round to one decimal place.5(cos 120° + i sin 120°)
A. 
+ 
i
B. - 
+ 
i
C. - 
+ 
i
D. 
+ 
i
Mathematics
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.ex = 3.9
A. 0.59 B. 10.61 C. 1.36 D. 49.52
Mathematics