A. The mass of the rock in ounce is 22400 ounce.
B. The mass of the rock in ton is 0.7 ton
1 pound = 16 ounce
Therefore,
1400 pound =1400 × 16
1400 pound = 22400 ounce
1 pound = 0.0005 ton
Therefore,
1400 pound =1400 × 0.0005
1400 pound = 0.7 ton
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