Answer:
0.40g MgO - 0.24g Mg = 0.16g O
Step-by-step explanation:
Step-by-step explanation:
k = √(49 - 12√5)
= √(45 + 4 - 2 √180)
= √45 - √4
= 3 √5 - 2.
<em>So, k + 2 = 3 √5 - 2 + 2 = 3 √5.</em>
Answer:
20 percent
Step-by-step explanation:
Percentage score =
× 100
=
× 100
= <u>20 percent</u>
The only one I can thing of would be the Number 1