Write an equivalent expression without negative exponents and, if possible, simplify.x-4
A. 
B. -x4
C. x4
D. 
Answer: A
You might also like to view...
Solve the problem.A sample of 750 grams of radioactive substance decays according to the function 
where t is the time in years. How much of the substance will be left in the sample after 30 years? Round to the nearest whole gram.
A. 305 g B. 952 g C. 0 g D. 1 g
Solve and give interval notation for the solution set. Then graph the solution set.x + 4 < - 
or x + 4 > 
A. 
B. 
? 
C. 
? 
D. 
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.1 ? 9 + 2 ? 9 + 3 ? 9 + . . . + 9n = 
What will be an ideal response?
Find the set if the universal set U = {-8, -3, -1, 0, 2, 4, 5, 6, 7, 9}, A = {-8, -3, -1, 2, 5}, B = {-3, 2, 5, 7}, and C = {-1, 4, 9}.B'
A. {-1, 0, 4, 6, 9} B. {-8, -1, 4, 6, 9} C. {-8, -1, 0, 4, 6, 9} D. {-8, -1, 0, 4, 6, 7, 9}