# Problem: Round off the following quantities to the number of significant figures indicated in parentheses.70.427 g (3)

###### FREE Expert Solution

In this problem, we are asked to round off 70.427 into 3 significant numbers.

Recall that in determining the number of significant numbers, we following the following rules:

• All nonzero digits are significant.
• Zeroes between nonzero digits are significant.
• Zeroes to the left of the nonzero digits are not significant, their only purpose is to indicate placement.
• Zeroes to the right of the nonzero digits are categorized as follows:
• Trailing zeroes after a decimal point are significant.
• Trailing zeroes before the decimal point and after a nonzero digit are always significant.
• Trailing zeroes before an implied decimal point is ambiguous and should be avoided by using scientific notation.
88% (173 ratings) ###### Problem Details

Round off the following quantities to the number of significant figures indicated in parentheses.

70.427 g (3)