Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.
A. - 
B. 
C. 
D. - 
Answer: A
Mathematics
You might also like to view...
Decide whether the expression is or is not an identity.
= 1 - cos x
A. Identity B. Not an identity
Mathematics
Add or subtract as indicated. Simplify, if necessary.
+ 
A. - 
B. - 
C. 
D. 
Mathematics
Solve the problem. If necessary, round to the nearest tenth or as indicated. An airplane is cruising at an altitude of 21,120 ft. What is the plane's altitude in miles?
A. 4 mi B. 3 mi C. 5 mi D. 8 mi
Mathematics
Decide whether the expression has been simplified correctly.(9b)8 = 9b8
A. No B. Yes
Mathematics