5 sqrt 11 ( sqrt 3 -3 sqrt 2)

i know the answer =41.6 but no idea how to get it. can someone show me how

Question

5 sqrt 11 ( sqrt 3 -3 sqrt 2)

i know the answer =41.6 but no idea how to get it. can someone show me how

anonymous · Answer

$$5\sqrt{11}(\sqrt{3}-3\sqrt{2})$$

phi · Answer

with a calculator.

first do sqr(3)

phi · Answer

then - 3 times sqr(2)

what do you get ?

anonymous · Answer

4.24

phi · Answer

can you do it step by step?
first what do you get for sqr(3) ?

anonymous · Answer

1.73

phi · Answer

now while that number is still in the calculator type
-  (minus sign)
3
*  (times sign)
sqr 
2
=  or enter

anonymous · Answer

i got -2.51

phi · Answer

yes.  now multiply that by 5
and then multiply that number by sqr(11)
you get -41.6  (there are more digits by the way)

anonymous · Answer

i know lol im just to lazy to write them all out. but thank youc:

phi · Answer

Ok, just so long as you know.  (sometimes people set their calculator to show only a few digits and don't realize the answer is not accurate.)

phi · Answer

We are getting  -41.6  which is different from what you posted up above.  I hope that is a typo.

phi · Answer

you should practice doing the calculation all on one line in your calculator.

anonymous · Answer

yeah its a typo and okay