Which expression completes the equation? 10 • 2 + 15 ÷ 3 =? a. 10 • 17 ÷ 3 b. 35 - [ 6 + 3 (3 - 1) ] c. 5 • [( 7 - 3) + 1] d. 9 • 2 + 1 - 3

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

A.

10*17/3

First you had to multiply and divide from left to right.

170/3=56.67

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

C.

Step-by-step explanation:

First you had to calculate with parenthesis first.

Then you add from left to right.

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

Hope this helps!

And thank you for posting your question at here on , and have a great day.

-Charlie

y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead