Evaluate the expression using exponential rules. Write the result in standard notation.(3 × 103) × (9 × 102)
A. 27,000,000
B. 270,000,000
C. 270,000
D. 2,700,000
Answer: D
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Find all the roots of the given equation.x4 - 81 = 0
A. -3, -3j, 3, 3j B. -3 - 3j, -3 + 3j, 3 - 3j, 3 + 3j C. -3, 3 D. -3j, 3j
Determine whether the given relationship defines a function. If so, identify the independent and dependent variable, and why the relationship is a function.The balance b in a checking account on a given day x.
A. Yes; x, b; there is one balance b on a given day x. B. No
Solve the problem.Find the perimeter of the triangle with vertices A(3, 5, 4), B(2, -2, 6), and 
.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
Find the solution set of the system by graphing the equations by hand. If the system is inconsistent or dependent, say so.
A. (-5, -1) B. (0, -1) C. (0, -5) D. empty set; inconsistent system