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How do write the number 107062.03 with only 3 significant figures?
The number 107062.03 with 3 significant figures would be 107,000.
Could you explain why 0.0023040 gram is a measurement having 5 significant figure?
In the number 0.0023040, all the digits except for zero are considered significant. Zeros that are sandwiched between non-zero digits are also considered significant, so all the zeroes in this number are significant. Therefore, 0.0023040 grams has 7 significant figures, not 5.
How many significant figures are in 140.020?
Six (I am assuming the period is a decimal divider) otherwise you would not write out trailing zeros.
You can lift a 20 Kilogram weight over your head ten times before you get tired Write the measurement to the correct number of significant figures?
You can lift a 20 kg weight over your head ten times before getting tired (20 kg, 10 times). This answer is accurate to two significant figures.
What are the rules in writing significant figures?
In general, the rules for significant figures are: Non-zero digits are always significant. Zeros between non-zero digits are significant. Leading zeros (zeros to the left of the first non-zero digit) are not significant. Trailing zeros in a number with a decimal point are significant; without a decimal point, they may or may not be significant.
