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What are the rules in adding and subtracting significant figure and scientific notation?
you take the last digit in the first one and add/subtract it to the last digit in the second one and that is your answer
How many significant figures are there in the following number 1.10030?
Five. Count from the first nonzero digit to the last nonzero digit.
What is a significant digit when it is to the left or right of the decimal and it follows a non zero digit?
All digits between the first non-zero digit and the last non-zero digits are significant. Some would argue that trailing 0s are significant since they are an indication of the precision of the number.
Which digit in the following number is the one that determines the precision 183.6?
The last digit: the 6.The last digit: the 6.The last digit: the 6.The last digit: the 6.
How many significant figures are there in 0.08240?
As trailing zeros after a decimal point make no difference to the value of a number and are not normally written but 0.08240 does have one written, the trailing zero must be significant. Counting form the first non-zero digit to the last significant digit (inclusive) there are 4 sig fig.
