Answer: =20 *The answer should be positive sign.*
Explanation:
This question it's about PEMDAS. This lesson it's about order of operations. p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtract. It can also go left to right.
do multiply first left to right.
2*0=0
3+16-0+1
add/subtract left to right.
3+16=19
19-0+1
19-0=19
19+1
19+1=20
=20
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