If two numbers have m and n significant digits, respectively, then then product can have at most m+n. However, the normally it is the minimum of m and n.
rules for calculating S.F. are: 1,all non zero digits r significant 2,
If they did not use rules all their calculations would simply lead to random digits!
Five. All nonzero digits are significant and zeros in between significant digits are significant.
All four of the digits given are significant digits.
Three significant digits.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
When multiplying numbers with significant digits, count the total number of significant digits in each number being multiplied. The result should have the same number of significant digits as the number with the fewest significant digits. Round the final answer to that number of significant digits.
When multiplying numbers with significant digits, count the total number of significant digits in each number. Multiply the numbers as usual, but round the final answer to match the least number of significant digits in the original numbers.
the precision of the answer must have the same number of significant digits as the measurement with the least significant digits- the site explains the rules and how to identify significant digits
1) Look at the two numbers you are multiplying 2) Find both their number of significant digits 3) Multiply both numbers together normally 4) Round your answer to the same number of significant digits of the least number in the first two factors 250 x 185 250 had 2 sig. digits------ 185 has 3 sig. digits 250 has the least number of sig. digits (2) Final answer has to have 2 sig. digits Normal answer: 46250 With rounding of sig. digits: 46000
rules for calculating S.F. are: 1,all non zero digits r significant 2,
When multiplying by ten the digits shift to the left
all non zero digits are significant .2.zeroes betweenother significant.
The rules of "significant figures" tell you how many of the digits in your answer can be trusted and how many are trash. Without knowing those rules, you may get an answer with 15 digits in it, and think that you have the greatest answer there could be, and not realize that the last 12 digits are wrong and don't mean anything.
If they did not use rules all their calculations would simply lead to random digits!
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Five. All nonzero digits are significant and zeros in between significant digits are significant.