Answer:
<h2>5.Solder........</h2><h3>Hope it helps you!!</h3>
you calculate all the letters together and it would be Zn2
Answer:
0.0000098 should be the answer
Explanation:
.150 = 3
20.20 = 4
25.00 = 4
If a 0 does not have a number or a period after it, it is not significant.
If the 0 is behind the decimal point, it is always significant.