3 NaOH + FeBr3 = 3 NaBr + Fe(OH)3
Hope this helps!!
The student's test average is : 0.92
Total score obtained = 369
Number of tests = 4
Since Each test is exactly 100 points ;
The total score obtainable is (100 × 4) = 400
Average = score obtained / total score obtainable
Average = 369 / 400
Average = 0.9225
Average = 0.92
Learn more : brainly.com/question/9416487?referrer=searchResults
Answer:
friend me on here and imma send you the link Explanation:
There are 2 significant figures. All numbers in a whole number are significant.