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2 cards from this section. Quick, good the night before a test.
How many significant figures are in the number 0.00123?
Leading zeros do not count!
Round 5.678 to two significant figures.
Look at the digit in the third place.
How many significant figures are in the number 0.045?
Count only significant digits.
True or False: The number 1500 has four significant figures.
Consider using scientific notation for clarity.
You measure a length as 45.678 cm and then convert it to meters. Express the result in scientific notation, including significant figures.
Remember to convert and keep the significant figures accurate!
If you have 150.0 and 3.25, add them and round to the proper number of significant figures.
The number with the least decimal places determines the rounding.
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