Answer:
1
Explanation:
one volume of nitrogen to react
Answer:
Model
Theory
Ellipse
Explanation:
Stan One Direction for better grade
Answer:
the last answer is right.
1) START counting for sig. figs. On the FIRST non-zero digit.
2) STOP counting for sig. figs. On the LAST non-zero digit.
3) Non-zero digits are ALWAYS significant.
4) Zeroes in between two non-zero digits are significant. All other zeroes are insignificant.
