Question

3w-10w
A. 13w
B. -7w
C. -7
D. 7w

Answer 1

W is just a scalar.

Think:

what is 3-10?

Answer 2

oh I see so its 7w right?

Answer 3

Does 3-10=7 ??

Answer 4

yes

Answer 5

No.

10-3=7

what is 3-10?

Answer 6

-7 sorry

Answer 7

Right!!

So it's -7<whatever scalar you're working with>

Answer 8

thank you
can you help with another?

Answer 9

Like what?

Answer 10

And thank you! :-)

Answer 11

y+2y+3z

Answer 12

Okay...and what's supposed to be done with it? :-)

Answer 13

actually I just got it sorry. but thanks for the other one. :))

Answer 14

Okay!! Glad I could help!! :-)