Tanya says that the ones digit of $2^{59}$ is a 5 because her calculator's display for $2^{59}$ reads 5.76460752303 E 17 and there is a 5 in the ones place. Is Tanya right? Why or why not?
Added by Michelle C.
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Secondly, the number displayed on Tanya's calculator is not 259, but rather a scientific notation representation of a much larger number. The "E 17" indicates that the decimal point should be moved 17 places to the right, making the number significantly larger Show more…
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