Which answer choice is equivalent to the expression below?

3x2y4/2xy
The 2 and 4 in the first part of problem(not the 2 from 2xy) are exponents.

A.3xy3/2 ( The second 3 is exponent )
B.3x3y5/2 (The second 3 is exponent, and the 5)
C.3/2xy3 ( The 3 in 2xy3 is exponent)
D.3xy2/2 ( The 2 in 3xy2 is an exponent.)

Question

Which answer choice is equivalent to the expression below?

3x2y4/2xy
The 2 and 4 in the first part of problem(not the 2 from 2xy) are exponents.

A.3xy3/2    ( The second 3 is exponent )
B.3x3y5/2  (The second 3 is exponent, and the 5) 
C.3/2xy3     ( The 3 in 2xy3 is exponent)
D.3xy2/2    ( The 2 in 3xy2 is an exponent.)

kirbykirby · Answer

A. Just use subtraction on the exponents to know how many to get rid of. so (y^4)/y = y^3 since you do 4-1 on the exponent. , same for (x^2)/x = x , so you're left with answer A