The first one, the opposite of any negative number is the same number but positive...and vise versa.
1g is equal to 0.001kg
678g = 0.678kg
(678 x 0.001 = 0.678)
Answer:
7x-2
Step-by-step explanation:
9(x+3)-(2x+5)
9x+3 -2x -5
7x-2
Answer:
Clearly, the answer is 20/9, simplify it, and thats your answer! <3
<em>Hope that helped! <3</em>
<em>Byee!</em>