Question

8-(-7) ?

Answer 1

remember... minus a minus is a plus

Answer 2

you have 8 dollars, and you remove 7 IOU's

so that's like saying 8-(-7) is the same as 8+7

Answer 3

15 right?

Answer 4

Yes. Since, 8 + 7 = 15.

Answer 5

what about 10-64/8 + 3 squared

Answer 6

You would want to do order of operation.

Answer 7

So what do you do first?

Answer 8

P
E
M
D
A
S

Answer 9

Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Answer 10

Parenthesis
Exponents
Multiplication / Division (Whatever come first from left to right.)
Division / Multiplication (Whatever come first from left to right.)
Addition / Subtraction (Whatever come first from left to right.)
Subtraction / Addition (Whatever come first from left to right.)

Answer 11

thxs guys :)

Answer 12

Did you get your final answer?

Answer 13

@GoldPhenoix LOL thank you for the clarification :)
I missed those important details :)

Answer 14

4?

Answer 15

No problem. I just wanna make sure that she doesn't do a common mistake.

Answer 16

wait no...

Answer 17

We have 10-64/8 + 3^2
So according to PEMDAS, what do we do first?

Answer 18

3 squared

Answer 19

Great. That would give us?

Answer 20

so it would look like 10-64/8+9

Answer 21

Yes, so far. Now what would we do next?

Answer 22

10-8+9?

Answer 23

Yes. Next?

Answer 24

11?

Answer 25

Good job! :)

Answer 26

thxs :)