Processing math: 100%
 
+0  
 
0
1217
2
avatar

how do you work out(49)1.5? I know the answers 827 but not why?

 Aug 26, 2015

Best Answer 

 #1
avatar+118696 
+10

Why don't you join up?  You are asking some good questions today :)

 

(49)1.5=(49)3/2=((49)1/2)3=(49)3=(23)3=2333=827

 Aug 26, 2015
 #1
avatar+118696 
+10
Best Answer

Why don't you join up?  You are asking some good questions today :)

 

(49)1.5=(49)3/2=((49)1/2)3=(49)3=(23)3=2333=827

Melody Aug 26, 2015
 #2
avatar+130458 
+5

Remember that 1.5 = 3/2.....so we have

(4/9)3/2  = [(4/9)1/2]3 =  [√(4/9)]3   = (2/3)3 = 8/27

 

 

 Aug 26, 2015

4 Online Users

avatar