If you put it into your calculator by pressing the COS button and then typing in 105, you get -0.258819045...
In statistics, the 68–95–99.7 rule, also known as the empirical rule, is a shorthand used to remember the percentage of values that lie within a band around the mean in a normal distribution with a width of two, four and six standard deviations, respectively; more accurately, 68.27%, 95.45% and 99.73% of the values lie .
Answer:
0.75 kilogram = 750 grams
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The answer to this is A. 40
