Question

4. Apply the rules for order of operations to simplify 2 + 3 − 4 + (5 × 4).

Answer 1

Answer: =21

Explanation:

This question it's about PEMDAS.

p-parenthesis

e-exponents

m-multiply

d-divide

a-add

s-subtract

*left to right.*

parenthesis first

5*4=20

2+3-4+20

add and subtract left to right

2+3-4+20

5-4+20

1+20

=21

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Answer 2

`5-4+(5x4)`

`1+(5x4)`

`1+5x4`

`1+20`

`21`