Problem 3 Solution
Regular notation: 526000 Scientific notation 5.260 x 105 There are 4 significant digits.
Solution Steps for Problem 3The key: Remember the definition of significant digits.
Since the fewest number of significant digits in a multiplication determines the number of significant digits in the result, there are 4 significant digits since 1440. only has 4 sig figs. While the exact multiplication of 365.25 and 1440. is 525960, rounding to 4 significant figures means that the 6 rounds the 9 up, which carries over to round up the 5.
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