Simplify the expression.
?
?
Write the answer without using negative exponents. Assume that all variables are restricted to those numbers for which the expression is defined.
?
A. 
B. ?
C. ?
D. ?
Answer: D
You might also like to view...
Solve the problem.To find the distance AB across a river, a distance BC of 1369 m is laid off on one side of the river. It is found that B = 106.2° and 
Find AB. Round to the nearest meter.
A. 485 meters B. 482 meters C. 400 meters D. 403 meters
Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = 3-xy = - 
A. (1, 3) B. (-1, 3) C. ? D. (1, -3)
Tell whether the number is a solution of the given equation or inequality.-7; 2x = -14.
A. Yes B. No
Solve the problem.In a small computer network, the address of a given station is an eight-digit word where each digit is either 0 or 1. How many stations with different addresses can be accommodated?
What will be an ideal response?