10. How do you use a triple-beam balance? Fill in the blanks.
1st – Place the film canister on the .
2nd – Slide the large to the right until the arm drops below the line and then move it back one notch.
3rd – Repeat this process with the weight. When the arm moves below the line, back it up one groove.
4th – Slide the weight on the front beam until the match up.
5th – Add the amounts on each beam to find the total to the nearest tenth of a gram.
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