What is the standard form or power of ten notations and why is it an important tool for scientists?
shoreshot* asked:
plz help - is it scientific notation
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Back before PC’s and handheld calculators, scientists and engineers used slide rules for their computations. Since slide rules had a resolution of only three digits, they used scientific notation to represent big numbers.
For example,
To compute an expression such as 22,479 x 348,223, it would be written down as 2.25 x 10^4 times 3.48 x 10^5, or 2.25 x 3.48 x 10^9.
The slide rule would return 7.83. The results would be 7.83 x 10^9, or 7,830,000,000. That was considered ‘close enough for government work’ back then. At least close enough to send astronauts to the moon and back. Wile E.