Question

What is the value of `2^3+8-:4*2+3`?

Answer 1

`15`

Explanation:

Count the number of terms first. Each term will simplify to to a single answer and they are only added or subtracted in the last line.

Within in a term - do brackets first, then the strongest operations (powers or roots), and then multiplication and division.

`color(purple)(2^3)color(red)( + 8div4xx2)color(blue)(+3)" "larr` there are 3 terms.

=`color(purple)(8)color(red)( + (8xx2)/4color(blue)(+3)`

=`color(purple)(8)color(red)( + 4)color(blue)(+3)" "larr` add from left to right

=`15`