more roots. sorry guise!

Question

+3

639

4

+546

4sqrt7 times 5sqrt7

5sqrt-5 time 5sqrt-2

Nataszaa Jul 11, 2014

+129896

+8

Best Answer

4√7 times 5√7 = 20√49 = 20*7 = 140

5√-5 times 5√-2 = 5i√5 * 5i√2 = 25i²√10 = -25√10

CPhill Jul 11, 2014

CPhill · Answer 1 · 2014-07-11T08:58:02

4√7 times 5√7 = 20√49 = 20*7 = 140

5√-5 times 5√-2 = 5i√5 * 5i√2 = 25i²√10 = -25√10

Alan · Answer 2 · 2014-07-11T08:49:33

You've asked these before. See http://web2.0calc.com/questions/good-morning-d for the answer to the second one.

DragonSlayer554 · Answer 3 · 2014-07-11T09:13:32

Question 1)140

Question 2)-25 square root 10

Nataszaa · Answer 4 · 2014-07-14T12:29:29

i didnt even realize i already posted this!

sorrry!