How do you simplify #7\times ( 4^ { 3} - 6) \div 2#?
1 Answer
Nov 23, 2016
Explanation:
When evaluating expressions which contain
#color(blue)"mixed operations"# there is a particular order that must be followed.Follow the order as set out in the acronym PEMDAS [Parenthesis (brackets), Exponents (powers), Multiplication, Division, Addition, Subtraction ]
#rArr7xx(color(red)(64)-6)÷2larrcolor(red)"exponent since inside bracket"#
#=7xx58÷2larr"parenthesis"# multiplication and division are of equal precedence. When they are in the same calculation, evaluate from
#color(blue)"left to right"#
#=406÷2larr"multiplication"#
#=203larr"division"#