Hello there.
Order of operations stands for: p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtracting.
10*2+15÷3
First you had to multiply from left to right.
20+15÷3
Then you had to divide from left to right.
15÷3=5
15/5=3
5*3=15
3*5=15
Finally you add from left to right.
20+5
=25
Answer: [tex]\boxed{=25}[/tex]
A.
10*17/3
First you had to multiply and divide from left to right.
170/3=56.67
Answer: [tex]\boxed{=56.67}[/tex]
B. 35-6+3(3-1)
First you had to calculate with parenthesis first.
6+3*2
Then you multiply from left to right.
6+6=12
Add from left to right.
35-12=23
Answer: [tex]\boxed{=23}[/tex]
C.
Answer:
[tex]\boxed{C.}[/tex]
Step-by-step explanation:
First you had to calculate with parenthesis first.
[tex](7-3)+1[/tex]
Then you add from left to right.
[tex]4+1=5[/tex]
[tex]5*5[/tex]
[tex]\boxed{=25}[/tex]
D.
9*2+1-3
First you multiply from left to right.
18+1-3
Then you add and subtract from left to right.
19-3=16
Answer: [tex]\boxed{=16}[/tex]
Hope this helps!
And thank you for posting your question at here on brainly, and have a great day.
-Charlie
