Q. Given x>0 and y>0, select the expression that is equivalent to4256x8y1064x4y64x2y254x4y664x2y25
Identify Given Expression: Identify the given expression and the operation to be performed.The given expression is the fourth root of 256x8y10, which can be written as (256x8y10)41.
Simplify Constant Term: Simplify the constant term under the fourth root.The fourth root of 256 is 4 because 44=256.So, (256)1/4=4.
Simplify Variable Terms: Simplify the variable terms under the fourth root.For x8, the fourth root is x(8/4)=x2.For y10, the fourth root is y(10/4)=y(5/2) or y2.5.
Combine Simplified Terms: Combine the simplified terms. The expression equivalent to the fourth root of 256x8y10 is 4x2y25.
More problems from Operations with rational exponents