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math help
i need to use mental math and the distributive property to simplify: can you pls check if this correct? a) 19(6) i got: 114 or do i do like this: 10*(6)=60 9*(6) =54 60 + 54= 114 b) 102* $21 i got: $2142 or do i do mental 
math mental math help
i need to use mental math and the distributive property to simplify: can you pls check if this correct? a) 19(6) i got: 114 or do i do like this: 10*(6)=60 9*(6) =54 60 + 54= 114 b) 102* $21 i got: $2142 or do i do mental 
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.50  x / x = 3.20e1 I need to solve for x. I was going to do .50 X 3.20e1 and then take the square root but this is not correct. I am not sure what to do. Thank you for your help. Math(Please help)  Reiny, Tuesday, April 17, 
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.50  x / x = 3.20e1 I need to solve for x. I was going to do .50 X 3.20e1 and then take the square root but this is not correct. I am not sure what to do. Thank you for your help. Math(Please help)  Reiny, Tuesday, April 17,