How do you find #2^ { 2} \times 5+ 4^ { 2} #?
1 Answer
Dec 22, 2016
Explanation:
When evaluating an expression with
#color(blue)"mixed operations"# there is a particular order that must be followed.Follow the order as sey out in the acronym PEMDAS [Parenthesis(brackets) , Exponents(powers) , Multiplication , Division , Addition , Subtraction ]
Since there are no brackets we can start with the powers.
#(2xx2)xx5+(4xx4)=4xx5+16larr" powers"#
#=20+16larr" multiplication"#
#=36larr" addition"#