What is the value of #1/3x^3+5.4y# when #x=3# and #y=2#?
1 Answer
Jun 23, 2018
Explanation:
#"substitute the given values for x and y into the expression"#
#"and evaluate"#
#=1/3xx(color(red)(3))^3+5.4xxcolor(magenta)(2)#
#=1/cancel(3)^1xxcancel(27)^9+10.8#
#=9+10.8#
#=19.8#