Question

How do you evaluate `2(6div3-1)*1/2`?

Answer 1

`1`

Explanation:

Follow the `color(blue)"order of operations"` as set out in the acronym PEMDAS.

[Parenthesis (brackets) , Exponents (powers) , Multiplication , Division , Addition and Subtraction ]

Contents of bracket must be evaluated first.

`rArr(6÷3-1)=(2-1)=1larrcolor(red)"bracket"`

Expression can now be written as.

`2xx1xx1/2`

`=cancel(2)^1xx1xx1/cancel(2)^1=1larrcolor(red)"multiplication"`