A ship's deadweight is 2.5 × 10 Newton of the seventh power. When it sails in the Yangtze River, the mass of its boiled water is 6 × 10 Newton of the sixth power What's the weight of the cargo?

A ship's deadweight is 2.5 × 10 Newton of the seventh power. When it sails in the Yangtze River, the mass of its boiled water is 6 × 10 Newton of the sixth power What's the weight of the cargo?

The seventh power of 3.5 * 10