Correct reading for the triple beam balance is 191.4 grams.

Triple beam balance with weights at 100g, 90g, and 1.4g positions, showing a total reading of 191.4 grams.

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Show Answer Key & Explanations Step-by-step solution for: Kates Science Classroom Cafe: Measuring Mass Worksheet and ...

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To solve this problem, we need to read the values from each of the three beams on the triple beam balance and add them together.

Step-by-step reading:

1. Top beam (hundreds place):
- The rider is at 100 grams.
- This beam measures in 100-gram increments.

2. Middle beam (tens place):
- The rider is at 90 grams.
- This beam measures in 10-gram increments.

3. Bottom beam (ones and tenths place):
- The rider is at 1.4 grams.
- This beam measures in 0.1-gram increments.
- The scale goes up to 10 grams, and the rider is between 1 and 2, specifically at 1.4 grams.

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Now add them:

- 100 g (top)
- + 90 g (middle)
- + 1.4 g (bottom)

Total = 100 + 90 + 1.4 = 191.4 grams

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Correct answer: C) 191.4 grams

✔ Answer: C

Parent Tip: Review the logic above to help your child master the concept of measuring mass practice worksheet answer key.

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