a) 3427 = 3 significant figures
b)0.000456 = 3 significant figures
What is scientific notation?
A number is written in scientific notation when there is a number greater than or equal to 1 1 11 but less than 10 10 1010 multiplied by a power of 10 10.
Significant figures are the number of digits in a value, often a measurement, that contributes to the degree of accuracy of the value.
a) 3427 = 3 significant figures
b)0.000456 = 3 significant figures
Hence, both have 3 significant figures.
Learn more about scientific notation here:
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