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7th Grade: 7th Grade Word List: Math (List 1) 
experimental probability


the ratio of the number of outcomes in which a specified event occurs to the total number of trials, not in a theoretical sample space but in an actual experiment. 
exponential notation


scientific notation, a way of writing numbers that are too big or too small to be conveniently written in decimal form 
exterior angles


the angle between a side of a rectilinear figure and an adjacent side extended outward 
interest


the power of attracting or a fixed charge for borrowing money; usually a percentage of the amount borrowed 
negative


less than zero; having a negative charge; reckoned in a direction opposite to that regarded as positive 
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