SOLUTION: (4sqrt3)(5sqrt9)<<<< both square roots have an index to the 3rd power.
4*5 * sqrt3 * sqrt9<<< both square roots have an index to the 3rd power.
20sqrt27<< with an index to th
Algebra.Com
Question 801151: (4sqrt3)(5sqrt9)<<<< both square roots have an index to the 3rd power.
4*5 * sqrt3 * sqrt9<<< both square roots have an index to the 3rd power.
20sqrt27<< with an index to the 3rd power.
20sqrt3*sqrt9<<<< both with an index to the 3rd power.
20(3)sqrt3 with an index of 3.
60sqrt3 with an index of 3 as my final answer.
Is my final answer correct? what are the errors I have made if any?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
(4sqrt3)(5sqrt9)<<<< both square roots have an index to the 3rd power.
---------
4*cbrt(3)*5*cbrt(9)
----
= 20*cbrt(3*9)
----
= 20*cbrt(27)
----
= 20*3
----
= 60
=============
Cheers,
Stan H.
RELATED QUESTIONS
I homeschool my son - 9th grader - we have just started Expressing square roots and there (answered by stanbon)
I am stuck with this one :
Q. Express in index form 1 divided by the square root of x... (answered by solver91311)
Problem 1
Have I simplified the radical expressions below by rationalizing the... (answered by Boreal,ewatrrr,MathTherapy)
When changing an exponential expression, power of n square of X to the power of m the... (answered by Edwin McCravy)
index is 4. square root 625n to the 8th power m to the 4th power.
please... (answered by stanbon)
square root of y+8 minus square root of y-6 equals -3, Help!
I have tried isolating one... (answered by ankor@dixie-net.com)
Ms. James has a 6-square foot bulletin board and a 12-square foot bulletin board. She... (answered by Fombitz)
Ms. James has a 6 square foot bulletin board and a 12 suare foot bulletin board. She... (answered by KMST)
Solve by taking the square roots of both sides.
(x + 4)^2 - 5 = 2
(answered by josgarithmetic)