3. The Earth has a mass of 5.974 x 10 metric tons, what is this mass in pounds?

131704.16

Explanation:

5.974×10=59.74

59.74 converted is 131704.16

in theory, limestone is composed principally of the compound calcium carbonate - caco3, but in reality this compound is deposited in conditions involving a number of other compounds as impurities so it ends up being a mixture of many compounds.

hope this : -)

tony (lordcaos066)