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Express the following equations in simplest radical form using only one radical sign.

$9^(1/2)*x^(3/2)*y^(5/4)$
1. $9sqrt(x^3y^(5/2))$
2. $3sqrt(x^3y^(5))$
3. $3sqrt(x^3y^(5/2))$
4. $sqrt(9x^3y^(5))$
Express the following equations in simplest radical form using only one radical sign.
$27^(1/3)*x^(4/5)*y^(2/5)*z^(1/5)$
1. $3root5(x^4y^2z)$
2. $27root15(x^4y^2z)$
3. $root5(3x^4y^2z)$
4. $1/(3root5(x^4y^2z))$
$(6.1 x 10 ^5) (4 x 10 ^-9)$Perform the indicated computation, write your answer in scientific notation.
1. 2.44
2. $2.44 x 10 ^ 3$
3. $2.44 x 10 ^ -3$
4. $2.44 x 10 ^14$
$(3x^2y^3)^3$
1. $27x^6y^9$
2. $27x^5y^6$
3. $9x^6y^4$
4. $9x^5y^6$
$(6.9 x 10^8)/(3 x 10^5)$

Perform the indicated computations. Write the answers in scientific notation.
1. $2.3 x 10 ^3$
2. $2.3 x 10^13$
3. $2.3 x 10^-3$
4. $2.3 x 10^4$
How do you express 1,870,000 in scientific notation?
1. $5.49 x 10^-8$
2. $1.87 x 10^-6$
3. $1.87 x 10^6$
4. $187 x 10^6$
The number 0.00003007 expressed in scientific notation is
1. $3.007 x 10^5$
2. $3.7 x 10^-5$
3. $3.007 x 10^-5$
4. $3.007 x 10^-4$
An oval is $1/2 root(5)(x^2y^3)$ meters long. If a Kara completes $5 root(3)(x^2y)$ laps, how many meters has she run? Give your answer in simplified radicals.
1. $5/2x root(15)(xy^14)$
2. $5/2x root(3)(xy^14)$
3. $5 root(3)(xy^30)$
4. $2x root(15)(xy^14)$
What is the ratio of $3 root(3)(x^2) sqrt(y^3)$ to $4 sqrt(x^3) root(3)(y^2)$ in the form __:1? Your answer should be in the form of a radical.
1. $3y^(5/6):4x^(5/6)$
2. $(3y^(5/6))/(4x^(5/6)):1$
3. $(3root(6)(y^5))/(4root(6)(x^5)):1$
4. $3root(6)(y^5):4root(6)(x^5)$