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jenyasd209 [6]
3 years ago
10

Which is the correct answer? I genuinely have no clue

Biology
2 answers:
sattari [20]3 years ago
4 0

is 3 249 because I add all of them together and I got 249

Ainat [17]3 years ago
3 0

Answer:

(3) 249 grams

Explanation:

"The triple beam balance is used to measure masses very precisely; the reading error is 0.05 gram. With the pan empty, move the three sliders on the three beams to their leftmost positions, so that the balance reads zero. <em>To find the mass of the object on the pan, simply add the numbers from the three beams</em>." (Credit: SMU Physics Website)

This is how a triple beam balance works, so using this we can solve to find the mass of the object on the pan of balance. So we can add the 3 values.

200+40+9=249 grams

Technically the reading error is 0.05 g so I'm assuming you would subtract 0.05 g of some sort, but since there is no such decimal answer in the options given, we can conclude the correct answer would be number 3, 249 grams.

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