Answer:
wha do you mean
Step-by-step explanation:
1. 6(3-8)-10
=6(-5)-10
=-30-10
=-40
2.30(3)+15(10)
=90+150
=240
3. 2(3)(3+32+32)
=6(67)
=402
The model needs to show 1.8 because 2 x 0.9 = 1.8. Model B is the only model that shows this.
<em>Hope this helps</em>