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Numberphile is an educational YouTube channel featuring videos that explore topics from a variety of fields of mathematics. [2] [3] In the early days of the channel, each video focused on a specific number, but the channel has since expanded its scope, [4] featuring videos on more advanced mathematical concepts such as Fermat's Last Theorem, the Riemann hypothesis [5] and Kruskal's tree ...
According to a 1993 survey conducted by the US Department of Education, out of the show's 6.6 million viewers, 2.4 million kindergartners regularly watched it. 77% of preschoolers watched it once a week, and 86% of kindergartners, first-, and second-grade students had watched it once a week before starting school. The show reached most young ...
Learning a vocabulary of 3-digit numbers is harder, because ten times more images need to be learned for each extra digit. Many mnemonists, however, can use a set of over 1000 images. The combination of images into a narrative is easier to do rapidly than forming a coherent grammatical sentence.
Humans have evolved to mentally represent numbers in two major ways from observation (not formal math). [9] These representations are often thought to be innate [10] (see Numerical cognition), to be shared across human cultures, [11] to be common to multiple species, [12] and not to be the result of individual learning or cultural transmission.
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Number: suggested: Decimals: 3: Number of decimals to round to (zero or greater); if pad is not Yes, 0-digits will be cropped from the end. Default 0: Number: optional: Pad / actual number of digits: pad: If yes, use all digits given in Decimals. If a number, pad to that number of decimals. String: optional: Significant figures: sigfig
8 dead, 1,000 rescued from Kentucky flooding as extreme weather sweeps nation; more to come More than 450,000 homes and businesses were without power Sunday morning across the South. Associated ...
In general, if an increase of x percent is followed by a decrease of x percent, and the initial amount was p, the final amount is p (1 + 0.01 x)(1 − 0.01 x) = p (1 − (0.01 x) 2); hence the net change is an overall decrease by x percent of x percent (the square of the original percent change when expressed as a decimal number).