Harry reads that a particular element has an atom with a mass of 0.000000000012 grams. What is the weight of the atom expressed in scientific notation?

Question

sooobored · Answer

scientific notation looks something like this 

a * 10^n

where a looks something like 1.2 or 9.8983 or 4.00001, etc
n is a power

sooobored · Answer

100.2*10^3 is not in scientific notation
-0.2 *10^-4 is not in scientific notation

sooobored · Answer

in order to determine n, the easiest way is to count the number of spaces the decimal needs to travel in order to reach the format x.y (the whole number and the decimal portion)

sooobored · Answer

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