Use order of operations to choose all of the expressions that are correctly solved.
2 answers:
Answer:
1. correct
2. not correct
3.correct
4.correct
5. not correct
6. correct
Step-by-step explanation:
P(parenthesis) E(exponents) M(multiplication) D(division) A(addition) S(subtraction)
You first solve what is in the parenthesis (if there is any) than make your way down this list IN ORDER until you hit subtraction.
1.
2.
(4 × 5) − 3 = 8
Parenthesis first
(20)-3=8
subtract
17=8
3.
(4 × 5) − 3 = 17
Do what is in parenthesis first
(20)-3=17
subtract
17=17
4.
14 − 7 × 2 = 0
Multiply 7*2 first
14-14=0
subtract
0=0
5.
14 − 7 × 2 = 14
Multiply 7*2 first
14-14=14
subtract
0=14
6.
12 + (7 + 9) = 28
Parenthesis first
12+(16)=28
Add
28=28
You might be interested in
Recall that the derivative of a constant is 0.
