How do you evaluate #[2( 78\times 15\cdot 3) ^ { \frac { 1} { 3} } ] ^ { \frac { 1} { 15} }#?

1 Answer
Dec 9, 2017

#1.256# to the nearest 3 decimal places

Explanation:

#[2(78xx15*3)^(1/3)]^(1/15)#

#:.=[2(78xx15xx3)^(1/3)]^(1/15)#

#[2(root3(3510))]^(1/15)#

#:.=[2(15.19739106)]^(1/15)#

#:.=[30.39478211]^(1/15)#

#:.=1.255605386#

#:.=1.256# to the nearest 3 decimal places