Marcos added +12 + -11 and got the answer -1. What error did Marcos make?

Question

texaschic101 · Answer

12 + (-11) -- a positive times a negative is a negative
12 - 11 = 1

usarmy3947 · Answer

what?

anonymous · Answer

A positive times a negative is a negative. Your problem then turns into 12-11 = 1

usarmy3947 · Answer

He found the difference of the numbers instead of the sum.

 He divided the integers.

 He chose the incorrect sign for the sum.

 He multiplied the integers.

usarmy3947 · Answer

idk theres no numbers only this

anonymous · Answer

--- those are the answer choices, lol.

usarmy3947 · Answer

yes

anonymous · Answer

12- -11=23 (A)
12/-11 = -1 (B)
12*-11=-132 (D)

usarmy3947 · Answer

so its B

usarmy3947 · Answer

He divided the integers.

anonymous · Answer

He DID "choose" the incorrect sign for the sum but there's more to it than just choosing. Although 12/-11 IS -1.09090909091, It could be C

anonymous · Answer

@ganeshie8

anonymous · Answer

I'd say C.. but wait to see if Ganeshie8 replies

usarmy3947 · Answer

in the mean time can u help me with this one?

Use the rules for operations with integers to simplify the expression.

+16 × -2

 -32

 -8

 +8

 +32

usarmy3947 · Answer

@Jemurray3 @Mp123

anonymous · Answer

I'm right here, why would you tag others? s: Are you sure it's +6 * -2?

anonymous · Answer

or is it +6x(-2)?

usarmy3947 · Answer

its +6 X -2

anonymous · Answer

if it's the second one, it's -32. Courtesy of wolframalpha.com