Answer:
<em>yes</em>
Explanation:
the cuttle fish tell the difference between blue and yellow
A because if you multiple it, you will be moving the decimal one time
The percentage composition of this compound : 40%Ca, 12%C and 48%O
<h3>Further explanation</h3>
Given
20.0 g of calcium,
6.0 g of carbon,
and 24.0 g of oxygen.
Required
The percentage composition
Solution
Total mass of compound :
=mass calcium + mass carbon + mass oxygen
=20 g + 6 g + 24 g
=50 g
Percentage composition :
![\tt \dfrac{20}{50}\times 100\%=40\%](https://tex.z-dn.net/?f=%5Ctt%20%5Cdfrac%7B20%7D%7B50%7D%5Ctimes%20100%5C%25%3D40%5C%25)
![\tt \dfrac{6}{50}\times 100\%=12\%](https://tex.z-dn.net/?f=%5Ctt%20%5Cdfrac%7B6%7D%7B50%7D%5Ctimes%20100%5C%25%3D12%5C%25)
![\tt \dfrac{24}{50}\times 100\%=48\%](https://tex.z-dn.net/?f=%5Ctt%20%5Cdfrac%7B24%7D%7B50%7D%5Ctimes%20100%5C%25%3D48%5C%25)