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Amoebas Amoebas are tiny one-celled organisms. Amoebas can range in size from 0.01 mm to 5 mm in length. You can study amoebas by using a microscope or by studying photographic enlargements of them. Jacob has a photograph of an amoeba that has been enlarged 1,000 times. The length of the amoeba in the photo is 60 mm. What is the actual length of the amoeba? Divide \(60\div1,000\) by looking for a pattern. \(60\div1 = 60\) \(60\div10 = 6.0\) The decimal point moves _____ place to the left. \(60\div100 = \text{____}\) The decimal point moves _____ place to the left. \(60\div1000 = \text{____}\) The decimal point moves _____ place to the left. So, the actual length of the amoeba is _____ mm. | |||||||||||
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