Misc.
Fix my Mistake
Solve
Solve
Potent Potables
100
What is PEMDAS?
Parentheses, Exponents, Multiply OR Divide LEFT to RIGHT, Add OR subtract LEFT to Right.
100
9 - 3 x 2=12
Correct answer is 3. Do x then -, not - then x.
100
3 + 4 x 5
23
100
14 - 2 x 7
0
100
2 + {36 ÷ (3 x 2)}
8
200
Why is it important to know PEMDAS as a mathematician?
So everyone can solve every problem the same (correct) way.
200
5 x 5 + (14 - 3 x 2) = 47
You need to multiply 3 x 2 which is 6. Then subtract from 14.
Then multiply 5 x 5 which is 25.
Then take 25 + 8 = 33
200
7 + (2 x 4) - 1
14
200
49 ÷ (3+4) + 5 x 5
32
200
{36 ÷ (5 - 3 + 4)} ÷ 2
3
300
What would I solve first?
Parentheses ...so 7 + 5
300
6 - 4 + 3 x 5 - 5 = 25
Need to multiply first so:
6-4 + 3 x 5 - 5 =6 - 4 + 15 - 5 =
2 + 15 - 5 =
17 - 5 =
12
300
56 ÷ (4+4) + 3 x 3
16
300
5 + 14 ÷ 2 × 5
40
300
{ ( 9 - 2) x (2 + 1)} ÷ (2/8 + 3/4)
21
400
What step would you do second?
Divide by 2
400
4 + 5 + 7 - 3 x 2 = 26
You need to follow PEMDAS and do x first. Correct answer is 10.
400
20 – (5+3) x 2 + 4
8
400
(4-1) x 2 + (5+ 1) x 2
18
400
What is net income?
Net income is the gross income minus taxes and deductions. (It is what I take home)
500
The problem was 20 - 5 x 2 + 3. My answer was 33. What did I do wrong?
I went from left to right without using the correct order of operations.
500
30 - 6 + 4+ (8 + 2 x 5) = 88
30 - 6 + (8 + 2 x 5) =
30 - 6 + (8 + 10)
30 - 6 + 18
24 + 18
42
500
(5 x 4) – 6 ÷ 2 + 9
26
500
12 + 22 x 32 - 42
1 x 1 + 2 x 2 x 3 x 3 - 4 x 4
21
500
If I buy a house, what kind of tax will I pay?
property