Build a mathematical model to determine how many doses it would take to kill 1,000,000 bacteria if the antibiotic we were using was 90% effective. Use the table to the right to help with this.

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the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.