How do you evaluate #5^2 - 8 ÷ 2#?
1 Answer
Mar 27, 2018
Explanation:
#"using the acronym PEMDAS"#
#["P-parenthesis (brackets), E-exponents (powers), "#
#"M-multiplication, D-division, A-addition, S-subtraction"]#
#rArr5^2-8-:2#
#=25-8-:2larrcolor(red)"exponents"#
#=25-4larrcolor(red)"division"#
#=21larrcolor(red)"subtraction"#