Chemistry, 21.09.2020 06:01 kobeprewitt02
Use the drop-down menus to identify the resulting expressions based on the given steps. 4(13) + (18 + 27) Step 1: Distributive property 4(10) + 4(3) + (18 + 27) Step 2: Multiply 40 + 12 + (18 + 27) Step 3: Associative property Step 4: Evaluate
Answers: 1
Chemistry, 22.06.2019 05:30
Describe the interaction that occurs between two objects with the same electrical charge.
Answers: 1
Chemistry, 22.06.2019 21:40
Tooth enamel consists mainly of the mineral calcium hydroxyapatite, ca_10(po_4)_6(oh)_2. trace elements in teeth of archaeological specimens provide anthropologist with clues about diet and diseases of ancient people. students at hamline university measured strontium in enamel from extracted wisdom teeth by atomic absorption spectroscopy. solutions with a constant total volume of 10.0 ml contained 0.726 mg of dissolved tooth enamel plus variable concentrations of added sr. added sr find the concentration of sr in the 10 ml sample solution in parts per billion = ng/ml. find the concentration of sr in tooth enamel in parts per million = mu g/g.
Answers: 2
Use the drop-down menus to identify the resulting expressions based on the given steps. 4(13) + (18...
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