Round off 74.5 to 4 significant figures
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Answer:
The answer is 74.50
Explanation:
A significant figure is simply the number of figures that are known with some degree of reliability.
So to round off 74.5 to 4 significant figures we simply add another 0. This is because we started off with 3 significant figures, in order to make it 4 we add another 0.
hope this helps!
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