Question #5202b Algebra Radicals and Geometry Connections Simplification of Radical Expressions 1 Answer Tony B Jul 9, 2017 Assumption: the question reads as #22.5sqrt(3xx4)# #" "=" "45sqrt(3)# as an exact answer #" "~~" "77.942# as an approximate answer to 3 decimal places Explanation: Write as #" "22.5xxsqrt(3)xxsqrt(2^2)# #" "=" "22.5xx2xxsqrt(3)# #" "=" "45sqrt(3)# as an exact answer #" "~~" "77.942# as an approximate answer to 3 decimal places Answer link Related questions How do you simplify radical expressions? How do you simplify radical expressions with fractions? How do you simplify radical expressions with variables? What are radical expressions? How do you simplify #root{3}{-125}#? How do you write # ""^4sqrt(zw)# as a rational exponent? How do you simplify # ""^5sqrt(96)# How do you write # ""^9sqrt(y^3)# as a rational exponent? How do you simplify #sqrt(75a^12b^3c^5)#? How do you simplify #sqrt(50)-sqrt(2)#? See all questions in Simplification of Radical Expressions Impact of this question 833 views around the world You can reuse this answer Creative Commons License