Scientific notation is a way of writing numbers that are too big or too small to be conveniently written in decimal form.The symbol for calcium is Ca. The atomic number is 20. The atomic weight is 40.078
While there are some very small numbers associated with calcium, they are given in small units so the numbers are manageable.
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The emission wavelength of CaCl2 is approx 6.09*10^-7 metres.
It is 8.9*10^-5 in scientific notation
It is "(scientific notation)".
This number in scientific notation is 9.8x10-5.
It is: 2.7*10^0 in scientific notation