# Math

posted by .

Which expression eqivalent to 27x^-2y^6/3x^5y^2z^9?

• Math -

27x^-2y^6/3x^5y^2z^9
= 27/3 * x^(-2-5) y^(6-2) z^(0-9)
= 9 x^-7 y^4 z^-9
= 9y^4/(x^7 z^9)

## Similar Questions

1. ### Math - Logarithmic

Solve: 2log_3(x) - log_3(x-2) = 2 My Work: log_3(x^2) - log_3(x-2) = log_3(3^2) log_3 [(x^2) / (x-2)] = log_3(27) (x^2) / (x-2) = 27 x^2 = (x-2)(27) x^2 = 27x - 54 x^2 - 27x = -54 27x = -54 x = -2 Textbook Answer: 3 or 6 Where did …
2. ### Math

[(6x+1)^3][(27x^2+2)-(9x^3+2x)](3)[(6x+1)^2](6) over [(6x+1)^3]^2 Help me simplify please?
3. ### Algebra (Intermediate)

5. Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 9x + 6y = 60 -27x Ð 18y = -180 Here's where I am at now: 9x(3) + 6y(3) = 60 27x +18y + 60 27 x + …
4. ### Math

factorize the following using. formula #1 : (x+y)^3 = x^3+3x^2y+3xy^2+y^2 formula #2 : (x-y)^3 = x^3-3x^2y+3xy^2-y^2 Problem #1 : 8a^3+60a^2+150a+125 Problem #2 : 27x^3-27x^2y+9xy^2-y^3 please tell me how to solve them
5. ### Trigonometry

Which expression is equal to (6x^3+10x^2-4x+10)/(3x-1)?
6. ### Algebra

Simplify the radical expression. 1. 27x^4y^5 2.72m^2n^8
7. ### math

How do I solve 5/10=x/6 for an eqivalent fraction
8. ### Algebra 2

Can someone explain this exponential expression problem to me please?