Question #5202b

1 Answer
Jul 9, 2017

Answer:

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