To convert the weights to tons, we first need to convert everything into the same unit. Here, we can convert everything to kilograms first, and then convert the total to tons.
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Convert everything to kilograms:
- \( 400 , \text{kg} \)
- \( 30 , \text{kg} \)
- \( 1000 , \text{grams} = 1 , \text{kg} \) (since 1000 grams = 1 kg)
- \( 50 , \text{grams} = 0.05 , \text{kg} \) (since 1000 grams = 1 kg)
- \( 0.5 , \text{grams} = 0.0005 , \text{kg} \)
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Now sum them up: \[ 400 , \text{kg} + 30 , \text{kg} + 1 , \text{kg} + 0.05 , \text{kg} + 0.0005 , \text{kg} = 432.1005 , \text{kg} \]
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Convert kilograms to tons: \[ 1 , \text{ton} = 1000 , \text{kg} \] \[ 432.1005 , \text{kg} = \frac{432.1005}{1000} , \text{tons} = 0.4321005 , \text{tons} \]
Thus, the total weight is approximately 0.4321 tons.
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