Simplify with only positive exponents:
(36m^25n^14)/(4m^7n^5)^3
(9m^4)/(16n)
Simplify and write your answer in scientific notation:
(9xx10^-4)(4xx10^10)
3.6xx10^7
Simplify and write your answer in scientific notation:
(5.4xx10^6)+(8.1xx10^6)
1.35xx10^7
Simplify with only positive exponents:
((2x^4y^2)/(4x^2y))^3
(x^6y^3)/8
Simplify and write your answer in scientific notation:
(16xx10^5)/(8xx10^3)
2xx10^2
Simplify and write your answer in scientific notation:
(3.8xx10^-5)-(9.4xx10^-7)
3.706xx10^-5
Simplify with only positive exponents:
(-9k^3)(2k^-8)
-18/k^5
Simplify with only positive exponents:
(m^-2n^16)/(m^4n^2)
n^14/m^6
Simplify with only positive exponents:
(m^-2n^8)^3
n^24/m^6
Simplify with only positive exponents:
(-7c^-3d)(-4c^8d^-2)
(28c^5)/d
Simplify with only positive exponents:
(28xy^-4)/(4x^-5y)
(7x^6)/y^5
Simplify with only positive exponents:
(4w^7)^3
64w^21
Write an expression for the area of the figure below in simplest form.

12x^4y^7
Simplify with only positive exponents:
(-21x^5yz^0)/(12x^6y)
-7/(4x)
Simplify with only positive exponents:
(1/3r^2s^-5)^2
r^4/(9s^10)
Earth is 9.35 X 107 miles from the sun while Neptune is 2,820,000,000 miles from the sun. How much further is Neptune from the sun than Earth? Give your answer in scientific notation.
2.7265 X 109 miles further