How do you find the value of #(6+7)2-1#?
1 Answer
Oct 21, 2016
Explanation:
When evaluating expressions involving
#color(blue)"mixed operations"# we must do so in a particular order.Follow the order as set out in the acronym PEMDAS.
#(6+7)xx2-1#
#=13xx2-1larrcolor(red)" bracket first"#
#=26-1larrcolor(red)" next is multiplication"#
#=25larrcolor(red)" finally subtraction"#
