Question

How do you evaluate `5^2 - 8 ÷ 2`?

Answer 1

`21`

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"`