1. The shop told the retailer 3.400
2. The children wrote 6.530 on their whiteboard
That is true. it is part of natural numbers.
Divide the numerator by the denominator so for example if you had 1/2 you would divide 1 by 2 to get 0.5
To simplify the expression we are going to use the distributive property of multiplication:

.
We can infer from our problem that

,

, and

. So lets apply the property to simplify our expression:

We can conclude that the correct answer is <span>
-8x3 + 6x2</span>