Question

Which operation should be performed first according to the order of operations?

75 – 12 + 36 ÷ 3 + 14 • 8

A.
12 + 36

B.
75 – 12

C.
14 • 8

D.
36 ÷ 3

Answer 1

@flower2468

Answer 2

@mathstudent55

Answer 3

D.

Answer 4

PEMDAS
P - parentheses
E - exponents
MD - multiplications & divisions in the order they appear from left to right
AS - additions and subtractions in the order they appear from left to right

Answer 5

it's d

Answer 6

yep!

Answer 7

P - there are no parentheses here
E - there are no exponents here
All we have is multiplications, divisions, additions, and subtractions.

Answer 8

yes

Answer 9

Now start with
MD - we do see a division written before a multiplication, so the first operation is the division, \(36 \div 3\)

Answer 10

yes

Answer 11

Which operation should be performed first according to the order of operations?

44 • 2 – [(5 + 20 • 3) – 12] + 16 ÷ 2

A.
44 • 2

B.
5 + 20

C.
20 • 3

D.
16 ÷ 2

Answer 12

i think it's b

Answer 13

Here you have parentheses, so you need to work inside the parentheses first.

Answer 14

not b

Answer 15

ok

Answer 16

c

Answer 17

You start at the innermost parentheses.
The curved parentheses inside the square brackets are the innermost parentheses.

Answer 18

That means you need to start working on
5 + 20 • 3

Answer 19

Now you look at that expression, and you apply PEMDAS to it.
There are no longer any parentheses. There are no exponents, so you have
MDAS left.

Answer 20

MDAS means
MD in order
AS in order

Answer 21

then ts d

Answer 22

5 + 20 • 3
The 20 • 3 part is a multiplication, so that is done before the additions, so the answer is C.

Answer 23

Yes @pink33 it's C.

Answer 24

The answer is C because you need to work in the parentheses first.
Within the parentheses, you do the multiplication beofore the addition.

Answer 25

Evaluate.

102 ÷ 25 • 20 + 4 ÷ 2 – 14

Answer 26

1 more left

Answer 27

44 • 2 – [(5 + 20 • 3) – 12] + 16 ÷ 2

= 44 • 2 – [(5 + 60) – 12] + 16 ÷ 2

= 44 • 2 – [65 – 12] + 16 ÷ 2

= 44 • 2 – 53 + 16 ÷ 2

= 88 – 53 + 16 ÷ 2

= 88 – 53 + 8

= 35 + 8

= 43

Answer 28

so he answer is 43?

Answer 29

no, i'm guessing thats an example.

Answer 30

well i guess i'll just guess the answer

Answer 31

102 ÷ 25 • 20 + 4 ÷ 2 – 14
Do you see parentheses or exponents?

Answer 32

no

Answer 33

28.8 it is

Answer 34

yep

Answer 35

weird one...im ending up with a decimal

Answer 36

Ok, so we don't have PE in PEMDAS.
Now we move on to the next level.
MD
Do you see multiplications and additions?

Answer 37

There is nothing wrong with decimals, and in fact the answer here is a decimal.

Answer 38

yeah, @pink33 already knows it's 28.8

Answer 39

but not 28.8

Answer 40

\(102 \div 25 \cdot 20 + 4 \div 2 - 14\)

It is not 28.8

Answer 41

well, what did u get @texaschic101 ?

Answer 42

We are working on the MD level of PEMDAS.
What is the first multiplication or division you see from left to right?

Answer 43

69.6

Answer 44

thns i failed yaay!

Answer 45

i don't see how you got 69.6 and I also looked it up online and I'm still getting 28.8 or if you round 29

Answer 46

We can do it together.

\(102 \div 25 \cdot 20 + 4 \div 2 - 14\)

Answer 47

What is the first operation you need to do?

Answer 48

102/25 = 4.08
4.08 * 20 = 81.6
+ 2 - 14 = 69.6

Answer 49

P - no parentheses here
E - no exponents here
MD - we do have multiplications and divisions
What is the first division?

Answer 50

ohh, i see now.

Answer 51

i hit a wrong key in my calculator.

Answer 52

\(102 \color{red}{\div} 25 \cdot 20 + 4 \div 2 - 14\)

\(= 4.08 \color{red}{\cdot} 20 + 4 \div 2 - 14\)

\(= 81.6 + 4 \color{red}{\div} 2 - 14\)

\(= 81.6 \color{red}{+} 2 - 14\)

\(= 83.6 \color{red}{-} 14\)

\(= 69.6 \)